eChapters

This paper primarily considers the general principles of ultrasound and instrumentation and its application in camel reproduction.

Ultrasound waves are mechanical pressure waves similar to audible sound waves and must have a medium in which to audible sound waves and must have a medium in which to propagate. The “frequency” (f) is the number of high- or low- pressure regions crossing each area of tissue each second. The frequencies of the sound waves used in medical ultrasound are much higher than the human audible range (20 to 16000 Hz); hence the waves are called ultrasound. Ultrasound instrumentation

The gray scale imaging equipment uses only time delay and echo amplitude information in creating the image. Most equipment contains the same basic building- block circuits; transmitter, receiver, display and scan converter.

Transmitter

The first circuit building block, the transmitter circuit produces either a high- amplitude, short- duration voltage shock pulse or a driving voltage waveform. Then an output control attenuates the amplitude of the shock pulse or the driving voltage wave form before it is applied to the transducer.

Introduction

Energy metabolism is the complex process by which living organisms convert nutrients into energy for survival, growth, and reproduction. It involves a series of interconnected biochemical reactions that occur within cells.

Key Components of Energy Metabolism

• Catabolism: The breakdown of complex molecules (carbohydrates, proteins, and fats) into simpler ones, releasing energy.

• Anabolism: The synthesis of complex molecules from simpler ones, requiring energy input.

• ATP: The primary energy currency of cells, used to power various cellular processes.

• Enzymes: Catalysts that facilitate metabolic reactions.

Introduction

Human and animal body comprises of various tissues that are the functional unit of organ functioning and coordination. The tissues are further consisting of well differentiated cells that makes the tissue to behave in a special way for a particular purpose. The animal tissues are divided into epithelial, connective, muscular and nervous tissues. Epithelial tissues form the protective covering and inner lining of the body and organs. Connective tissues develop from the mesodermal cells of the embryo. they support and bind other tissues in the body. The muscular tissue develops from the mesoderm of the embryo and meant for movement and locomotion. Nervous tissue makes up the peripheral and the central nervous system and is responsible for initiation and transmission the nerve impulse. The tissues are biochemically composed of water, lipid, protein, ash, and carbohydrate along with other mineral and vitamins that are needed for its basic functioning. The extracellular matrix (ECM) forms a major component of connective tissue that forms layer and surrounds the cells or tissues meant for protection, signalling and communication. The protein component of ECM basically includes collagen, elastin, keratins, fibrillin, fibronectin, laminin and proteoglycans. Collagen is the major protein component of connective tissue that provides tensile strength, shape and fixes the organ in its position. Collagen is not homogenous rather consists of around 19 different types of proteins. There are around 30 variants of protein found in collagen. collagens type I and type II are respectively found in skin and bone. Collagen is triple helical polymer of highly elongated fibrils consisting of around 1000 amino acids majority of which consists of glycine along with proline and hydroxyproline. The forces like hydrogen bonds, covalent bonds, electrostatic, hydrophobic, and van der Waals are responsible for stabilizing the structure of collagen.

Introduction

Cell culture is a technique that involves the isolation and in vitro maintenance of cells isolated from tissues or whole organs derived from animals, microbes or plants. This technique has immeasurable role in the field of biology. The scientific progress in biology, microbiology and biotechnology in recent years can be credited on the development of cell culture technology. With the development of cell culture the isolation of viruses has become less cumbersome, the assessment of the efficacy and toxicity of new drugs has been easier, new vaccines are being developed and there has been development in biotechnology assisted reproductive technology.

In general, animal cells have more complex nutritional requirements and usually need more stringent conditions for growth and maintenance. For the growth of the cell in vitro specific mediums are required by the cells. Previously natural mediums like plasma ,serums were used but with the advent of synthetic media the specific needs of different cell types can be catered with. Cell culture is governed by a provided set of protocols requiring a sterile pure culture of cells, various nutrients for its growth, sterile cell culture hood, appropriate aseptic techniques and the utilisation of suitable conditions for optimal viable growth of cells.

Introduction

From earlier chapters, it is evident that Lactobacilli and Bifidobacteria are the two important genera that have potent applications in food microbiology and human nutrition due to their role in food and feed production, preservation and also due to probiotic potentialities. Most of the bacterial species are still unknown indicating that the identification and classification of bacteria is a hard task since the beginning of microbiology and consequently our knowledge about bacterial ecology is very low. Mean while the expectations about novel bacterial products are high. Therefore, bacterial identification has become a growing field of interest in microbiology. Since, Lactobacilli and Bifidobacteria genera include a large number of species and strains exhibiting important properties in an applied context, chiefly in the area of probiotics as food and therapeutics, an updated list of species belonging to these two genera, their phylogenetic relationships and other relevant taxonomic information are of great significance. The classification and identification of a probiotic isolate at strain level point out its typical habitat and origin. Moreover, the species, or genus name, may also indicates the strain’s safety and technical applicability for its use in probiotic products. Taxonomy helps to place a newly identified organism in a relevant group and enables the scientific communication. Further it facilitates the construction of databases that can be used for rapid identification of organisms at laboratory level easily. Thus, taxonomy of Lactobacilli and Bifidobacteria helps to study these organisms scientifically and allows characterizing and arranging them in an orderly manner which promote the scientific community to explore the benefits from those organisms for the betterment of mankind.

Introduction

Preceding chapters discuss the essentials of probiotics, their role in maintaining gut health in combination with prebiotics and significance of systematic classification of probiotic isolates. Further, to draw an idea how probiotics function in the gut, it is essential to know the interaction of probiotics with other microorganisms in the gastrointestinal milieu - the site of their probiotic action. Knowledge in the ecology of probiotic microorganisms in host environment such as gut gives an ideal picture of their functioning manner and the factors (both host and microbial) responsible for it.

Study of microbial ecology in the gastrointestinal tract is very difficult since gut harbors highly diversified microflora that varies not only at species level but also at individual level. The diversity of gut microflora in two healthy individuals of same species may exhibit variations in their composition and it may be influenced by geodemographic factors also. In this regard, the present chapter deals with the study of ecology of Lactobacillus- most commonly used probiotic bacteria in the gastrointestinal tract which in turn helps in framing selection criteria for screening of potential probiotics.

Recent studies on interaction between human and gut microflora discussed that co-evolution between microorganisms and their host have contributed for the development of a very complex microbial diversity in the gut. Highly diversified microflora in the human gut is a consequence of natural selection at two levels, top-down and bottom-up selection pressure. Hierarchy theory expounds that higher levels compel lower levels for possible organizational solutions i. e. organisms at the higher levels govern the structure or population dynamics of an ecosystem while on contrary lower levels control the structure of ecology when bottom-up level is the selection pressure. In case of interaction between human and gut microflora, being host human is at higher level in the hierarchy for selection and as mentioned above, top down selection pressure is driven by higher levels; host selects the beneficial microorganisms for functional redundancy leading to the development of a microbial community with divergent microbial divisions. Chances for lateral gene transfer also thought to influence the selection process and there by structure of the microbial community. On the other hand, competition among the members of host selected microbiota exert bottom up selection pressure resulting in the development of highly specialized genomes with functionally prominent set of genes. Natural selection at host level obviously favors functionally constant microbial communities which benefits the host with functional redundancy encoded in their genomes. Mean while bottom-up cell-level selection pressure aspire to favor niche specialization to avoid competition between the members of microbial community. In order to be a part of specialized niche, to become more potent microorganisms adapt a particular set of abiotic and biotic factors within the habitat by acquiring new sets of genes essential for their survival and thus escape the competition from decrepit microbial species.

Introduction

It became clear from the discussions of previous chapters that probiotics perform metabolic functions such as fermenting indigestible dietary residues and endogenous mucus, production of vitamins, and absorption of minerals. They also play key role in intestinal epithelial cell proliferation and differentiation, and the homeostasis of the immune system. Further, probiotics are also known to involve in modifying gut pH, antagonizing pathogens through the production of antimicrobial compounds, competing with pathogens for recept or sites as well as for available nutrients and growth factors, stimulating immunomodulatory cells of the host, and produce a wide range of enzymes such as lactase, amylase, lipase, protease, phytase and so on. The molecular mechanisms of probiotics are largely unknown and opens avenue for research in probiotics. Moreover, current research in probiotics and health consciousness in the public lead to an increased interest towards probiotics from the public, researchers, governmental organizations (such as the WHO/FAO) and medicine and food companies. In this chapter, application of probiotics in treating various diseases and disorders are discussed.

Buffalo farming offers a sustainable and economically viable solution to meet the growing demand for safe food production, particularly in regions with rising food insecurity. Buffaloes contribute around 45% of India’s total milk production and are more efficient in converting low-quality feed into high quality milk and meat, making them ideal for marginal farming environments. Buffalo milk, which has higher fat, protein, and mineral content than cow milk, is in demand for value-added dairy products, such as cheese, and fetches higher market prices. This enhances farmers’ incomes, especially small-scale dairy farmers, by ensuring higher returns on investment. Additionally, buffalo husbandry mitigates risks in crop failure due to climate change and provides sustainable employment opportunities. Furthermore, buffaloes produce less greenhouse gas emissions per unit of meat compared to cattle, making them more environmentally sustainable and climate smart. By advancing breeding practices and adopting scientific management, buffalo farming has the potential to drive the future of safe and sustainable food production, contributing significantly to food security and rural development.

Introduction

The Poultry industry stands as one of the most advanced sectors globally. The impact of diseases on poultry can be profoundly detrimental, affecting productivity, trade of live birds, meat and related products. Vulnerabilities in biosecurity within production sites, as well as weaknesses in disease diagnosis, pave the way for emerging pathogens to establish as persistent threats. In numerous tropical and developing nations poultry infections like viscerotropic velogenic New castle disease have become endemic, leading to disastrous losses. Many developing countries contend with a prevalence of vertically transmitted diseases among village-level flocks, including ailments like pullorum disease and mycoplasmosis. The combination of hot, humid climates fosters mycotoxicosis, compounded by prevalent immunosuppressive diseases, which in turn hinder the effectiveness of vaccination efforts. In the absence of robust quarantine measures and government – mandated control programs, disease can persist within both commercial and local flocks. The introduction of new infections further compounds the vulnerability of susceptible poultry populations.

1. How does the toxin of Clostridium botulinum affect the nervous system?

a) Blocks inhibitory transmitter substance

b) Stimulates macrophages

c) Causes haemolysis and tissue destruction

d) Induces systemic shock and death

What is the specific effect of the toxin produced by Clostridium perfringens on host cells?

a) Blocks inhibitory transmitter substance

b) Induces systemic shock

c) Causes ribosomal dysfunction

d) Disrupts plasma membranes

Introduction

The control of infectious diseases of bacterial etiology in food animals is often by using collective and simultaneous medication of a group, i.e. the so-called preventive uses prophylaxis and metaphylaxis. These uses are vigorously debated because they involve the mass consumption of antibiotics that is suspected to favour the emergence of resistant bacteria, especially in the gut flora, which is critical for the potential transfer of resistance to humans via the food chain. Metaphylaxis corresponds to the administration of antibiotics to animals experiencing any level of bacterial disease before overt disease occurs, with the time of intervention depending on the detection of disease outbreaks in a few animals in the group. Metaphylaxis is launched after (meta) pathogen contamination, with the goal of the bacteriological cure of infected animals, which subsequently warrants the final protection (phylaxis) against infection outbreaks. In this respect, metaphylaxis should be viewed as a curative treatment occurring early in the time scale of the infection, and should be compared to classical curative treatments of sick animals. The pathophysiological status of the animals and the size of the bacterial load at the infection site are specificities of metaphylaxis that could play an important role in antibiotic pharmacodynamics, including the reduction of resistance selection within the pathogenic inoculum. Recent advances have been made in evaluating the antibiotic doses required for clinical and bacteriological cures, depending on the size of bacterial load at the infection site. The observations that total doses were much lower for early treatments when bacterial loads were small, compared to later treatments of sick animals with higher bacterial loads, reinforces the in vivo relevance of the so called ‘inoculum effect’, whatever its underlying mechanisms.

ELECTROLYTE BALANCE

Electrolytes like sodium, potassium, and chloride are substances that dissolve into posi tively and negatively charged particles when mixed with a liquid. The interaction between these substances, referred to as the ‘dietary electrolyte balance (DEB), can be influenced by either the electrolyte itself or the additional salt source used.

Dietary inclusion of potassium and chloride has shown positive effects on heat-stressed broilers. Among various salt options for broiler diets, sodium bicarbonate and potassium chloride have been identified as the optimal choices, especially during hot summer conditions.

Electrolyte balance is often quantified by the uncomplicated equation Na + K – Cl expressed in terms of mEq/kg of diet. An ideal overall dietary equilibrium ranging from 240 to 260 mEq/kg is generally deemed optimal for normal physiological functioning. The body’s buffering systems play a pivotal role in maintaining a close-to-normal physiological pH, thus preventing deviations in electrolyte levels. The principal function of electrolytes pertains to the regulation of body water and ionic equilibrium. Consequently, the requisites for elements like sodium, potassium, and chloride can’t be viewed in isolation; it’s the collective equilibrium that holds significance. The term “electrolyte balance,” synonymous with acid-base balance, is influenced by three factors:

1. The equilibrium and proportion of these electrolytes in the diet.

2. Endogenous production of acids.

3. The pace of renal clearance.

Introduction

Ante mortem diagnosis of cardio vascular diseases in avian patients is a challenging to the physician. Compare with the mammals, few anatomical and physiological features are unique in birds. The avian heart is anatomically similar to mammals, although birds have a proportionally larger heart size relative to a comparably sized mammal. Heart size in mammals remains equivalent to body mass, while larger birds have a proportionally smaller hearts in relation to body size than smaller birds. The apex of the heart is enclosed between the right and left hepatic lobes and lies along the sternum and parallel to the thoracic spine in the cranio ventral coelom. The avian cardiovascular system is adapted to the high aerobic requirements for flight, running or swimming. Efficient oxygen transfer to the tissues is facilitated by a lower total peripheral resistance, higher heart rate, higher arterial blood pressure and more rapid myocardial depolarization. The clinical signs seen in birds afflicted with cardiac disease can be vague and non-specific which are mimicking many other disease conditions. Similar to mammals, birds may present with lethargy, weakness, exercise intolerance, syncope, dyspnoea, coughing and even sudden death. On physical examination cardiac disease may be suspected based on the presence of arrhythmia, murmur, muffled cardiac sounds, poor peripheral pulses, cyanosis and coelomic distension. Pulmonary oedema, hepatomegaly, ascites and enlarged jugular veins with pulsation may be seen in cases of congestive cardiac failure. Pericarditis can occur with primary infectious agents or secondary to disease occurring in adjacent tissues, such as mycotic pulmonary granulomas. Visceral gout due to hyperuricaemia may also affect the pericardium. Congestive heart failure and systemic manifestations of disease, such as hypoproteinaemia, may result in effusions within the pericardium. Myocardial ventricular hypertrophy can occur with any condition that results in an elevated preload on the heart, including pulmonary hypertension and atherosclerosis. Myocarditis has been observed in cases of chlamydiosis, polyomavirus infection and proventricular dilatation disease from bornavirus. Heavy metal toxicosis has been associated with cardiac neural dysfunction and myocardial infarction. Vegetative endocarditis and resultant valvular insufficiency can occur with bacteraemia from chronic bacterial infections involving other organ systems.

Poultry, encompassing a wide range of domesticated birds, plays a crucial role in agriculture, providing meat and eggs to populations worldwide. The health and well-being of poultry are of paramount importance for sustainable and efficient production. One aspect that significantly influences poultry health is the condition of their wings. Wings serve various purposes for birds, including flight, balance, and protection. Disorders affecting poultry wings can arise from a multitude of factors, ranging from nutritional imbalances to infectious agents and environmental stressors.

Understanding and addressing poultry wing disorders require a comprehensive approach that encompasses both preventive measures and therapeutic interventions. This comprehensive understanding involves recognizing the various disorders that can afflict poultry wings, their causes, symptoms, and potential treatments. In this exploration, we delve into 50 multiple-choice questions and answers covering a diverse array of poultry wing disorders, providing insights into the complexity of avian health management.

The Significance of Poultry Wing Health

Maintaining the health of poultry wings is not merely a matter of ensuring their ability to f ly; it is intrinsically linked to the overall well-being of the bird. Poultry wings are vital for performing a myriad of daily activities, including foraging, preening, and maintaining social hierarchies within flocks. Additionally, the condition of the wings often reflects the bird’s general health status, making them an essential diagnostic indicator for avian health professionals.

The skin of the birds provides a physical barrier between the birds its environment, protecting the birds from bacteria and physical injury. The health of the bird can be compromised, and the value of the end-product can dramatically decrease. Bird’s skin differs from that of mammals by its thinness, by the presence of feathers instead of hair, and by the absence of sebaceous glands (sweat glands), although the overall histological structure is similar. Bird’s skin is composed of an epidermis separated from a dermis by a basal membranes to protect the body from infection. The integumentary system consists of the skin, the feathers and the appendages (claws and beak). The skin covers the majority of the body and contains glands in the outer ear canal and the preen gland at the base of the tail, that the bird uses to preen its feathers. The integumentary system is very important in providing protection to the bird from a number of potentially dangerous situations. The functions provided by the integumentary system include: A barrier between the external environment and the internal systems and organs thus provides support and protection from infection by microorganisms and from physical injury. Excellent thermal insulation to help regulate body temperature in a variable environment. Numerous nerve endings for the senses to enable the bird to be aware of potentially harmful situations. Pigments for display and protection from the elements. The compounds capable of conversion into vitamin D when exposed to sunlight. Avian skin is relatively thin with the epidermis consisting of only 2-10 cell layers. There are no sweat glands; instead heat is lost via the respiratory tract and by radiation from featherless areas. The brood patch is a featherless area that can occur in both sexes and is either seasonal or permanent depending on species.

Metabolic disorders are classed as illness associated with a failure in one of the body hormone or enzyme systems, storage disease related to lack of metabolism of secretory products because of the lack of production of a specific enzyme, or the failure or reduced activity of some metabolic function. There are numerous genetic, metabolic disorders in poultry but these are rare in commercial poultry. In poultry it is usual to include under the heading of metabolic disorders those conditions associated with increased metabolism, rapid growth rate or high egg production that result in the failure of a body system because of the increased work-load on that organ or system. Metabolic disorders that result from an increase production of, or deficiency of or failure in the production, synthesis, or transport of an enzyme, hormone or secretary mechanism. Metabolic disorders that result from high nutrient intake, rapid growth, high metabolic rate, pulmonary or systemic hypertension, and high egg production or a rapid increase in egg production. Other conditions that could be classed as metabolic disorders related to: (a) management defects; (b) nutritional deficiency or excess; (c) infectious agents; (d) toxins.

Nutritional deficiencies can result from a lack of specific nutrients in the diet, adverse interactions between nutrients in seemingly well-balanced diets, or the influence of specific anti-nutrients. The latter two scenarios are particularly challenging to diagnose because dietary analysis may suggest that nutrient levels are adequate. Micronutrients such as vitamins and trace minerals are typically added to diets through standalone micro premixes, making classic signs of individual nutrient deficiencies rare. Instead, the effects are often a combination of various metabolic conditions. Accurate diagnosis often requires comprehensive information about the diet and management practices, clinical signs in affected birds, necropsies, and tissue analyses. However, tissue analysis, especially of the liver and serum, can be misleading. Following the onset of a deficiency, birds may sequester nutrients in the liver, leading to falsely high liver assay values even when the diet is deficient. This effect is particularly significant for minerals such as copper. A diet that appears to contain sufficient levels of certain nutrients based on analysis may actually be deficient in those nutrients to some extent. Stressors such as bacterial, parasitic, or viral infections, as well as extreme temperatures, can interfere with nutrient absorption or increase the nutritional requirements. Toxins or microorganisms may destroy or render unavailable specific nutrients that appear to be present in adequate levels according to conventional chemical or physical assays. Consequently, many trace minerals and vitamins are included in the diet at levels significantly higher than the actual requirements to account for these potential issues.

All infectious agents, toxins, and nutritional imbalances have an impact on the performance of the farm and consequently on the local poultry industry. Additionally, poultry can be infected with common diseases like endoparasites, ectoparasites, infectious bronchitis, Marek’s disease, fowl cholera, salmonellosis, infectious coryza, fowl pox, avian encephalomyelitis, etc.

Controlling infectious diseases is vital for poultry health and diagnostic methods are an indispensable feature to resolve disease etiologies and the impact of infectious agents on the host. Although the basic principles of disease diagnostics have not changed, the spectrum of poultry diseases constantly expanded, with the identification of new pathogens and improved knowledge on epidemiology and disease pathogenesis. In parallel, new technologies have been devised to identify and characterize infectious agents, but classical methods remain crucial, especially the isolation of pathogens and their further characterization in functional assays and studies.

In poultry medicine, the diagnostic process originally shifted from the traditional veterinarian approach centered on individual animals to the health assessment of entire flocks. Flocks are commonly classified as “healthy” if they perform according to their genetic potential and are considered free from clinical disease. On-farm, diagnostic activities comprise routine sampling and investigations in line with health control programs; nationally and/or internationally adopted control programs for certain Mycoplasma and Salmonella species represent examples of paramount importance. Samples may be investigated immediately on site (e.g., rapid antigen test for avian influenza) or sent for further processing to a laboratory (e.g., ELISA and PCR). Field veterinarians further implement diagnostic surveillance in order to provide epidemiological data for flock management purposes. The periodical collection of samples (e.g., feces, serum samples, and swabs from mucosal surfaces) is primarily used to confirm the infection (free) status of a flock or to monitor vaccine response. Altogether, generated data facilitate objective judgment and decision making in order to optimize flock health and production.

In avian medicine, because clinical signs in birds can be vague, veterinarians must rely on additional clinical tests to accurately diagnose and treat conditions. These tests, including hematology, urine analysis and others, are essential for understanding diseases early and tailoring effective treatments. Clinical hematology is qualitative and quantitative assessment of blood and other blood component for the treatment of clinical patient. In comparison to mammals, bird’s erythrocytes are oval and nucleated cells, nucleated thrombocytes, heterophiles instead of neutrophils. RBCs of birds have relatively short life span and regenerate more quickly than mammals. The preferred vein for blood collection in birds varies with the species. In most species the wing veins is preferred site. Both EDTA and heparin have been used in avian clinical haematology as anticoagulant. The average blood volume of most birds is approximately 10% body weight. Avian plasma samples frequently are yellow due to carotenoid pigments, not bilirubin. Uric acid is the major nitrogenous waste product of birds it is relatively inert and substantially less toxic than ammonia or urea. Both BUN and creatinine levels are normally low in birds and may be below the minimum detectable limit of the assays in the laboratory. It may be useful to evaluate BUN and uric acid together to differentiate among dehydration, postprandial effects and renal pathology.

Introduction

Small and medium-sized industrial units, or small scale industrial (SSI) units, are generally referred to as SMEs, according to the Ministry of Micro, Small and Medium Enterprises. The MSMED Act of 2006, which was updated in 2020, serves as the foundation for the definition of SMEs in India.

• Micro manufacturing and services units: Up to Rs. 1 crore in investments and up to Rs. 5 crore in revenue.

• Small manufacturing and services units: Up to Rs. 10 crore in investments and up to Rs. 50 crore in revenue.

• Medium manufacturing and services units: Up to Rs. 50 crore in investments and up to Rs. 250 crore in revenue.

Small and Medium-sized enterprises (SMEs) constitute the backbone of the global economy. SMEs not only provide major contributions to national GDPs, but they also play an important role in job creation, innovation, and regional development. In India, SMEs account for about 30% of the country’s GDP and employ over 110 million people, making them an important part of the economic structure.(FICCI,2023).

Introduction

The Indian dairy industry plays a vital role in the nation’s economic and social fabric, deeply connected to the livelihoods of millions of rural families. It is more than just a source of income; for many small-scale and marginalized farmers, it provides a lifeline, ensuring stability and sustenance in areas where opportunities are often scarce. At the same time, the industry faces the immense responsibility of balancing economic growth with ethical practices, environmental conservation, and the welfare of the communities it serves. In this complex environment, businesses operating within the dairy sector have the potential to make a meaningful difference, but only if they prioritize social responsibility alongside profitability. By embracing sustainable practices and fostering inclusivity, these enterprises can address critical challenges while contributing to a more equitable and resilient industry (Christie, 2020; Rotz et al., 2020; Clay et al., 2019).

For the dairy industry, social responsibility is not an abstract concept; it is a pressing need. Across India, small-scale farmers form the backbone of this sector, especially in rural regions where economic vulnerability is widespread. These farmers often face numerous challenges, including fluctuating milk prices, limited market access, and a lack of resources to improve productivity (Kamath et al., 2019; Sadashive et al., 2017). Businesses in the dairy sector can act as catalysts for change by creating fairer systems, empowering marginalized groups, and ensuring that ethical treatment of livestock becomes standard practice. Beyond its immediate economic impact, the industry has a profound role to play in addressing broader social issues, such as gender inequality and food security, while promoting sustainable development that benefits everyone involved (Jaiswal, 2018; Garai et al., 2019).

"Bacteria” = Plural form, “Bacterium” = Singular form

Bacterium is a single-celled microorganism that do not have cell organelles (mitochondria, endoplasmic reticulum, chloroplast etc.) or a true nucleus. Bacteria are microscopic, unicellular organism that belongs to the kingdom prokaryotes.

Morphology of Bacteria

Bacterial morphology deals with size, shape, and arrangement of bacterial cells.

Size of Bacteria

Bacteria are microscopic organisms that are less than 3 micrometeres (μm) in size. Size of cocci range from 0.5 to 3 μm, and the size of a rod shaped bacteria range from 0.15 to 2 μm (width) to 0.5 to 20 μm (length).

Indian Food Processing Industry (FPI) is one of the most untapped industries with abundant raw material to grow at a higher rate. FPI has been identified as a priority list in the “MAKE IN INDIA” program by the Government of India to boost its domestic manufacturing and export share. In the last few years, FPI has emerged as a high-growth and high-profit sector due to its immense potential for value addition while processing food products at various stages. The degree of processing of value addition to agricultural produce in India (20 %) is very low as compared to other countries, such as China (40 %), Brazil (70 %), and Malaysia (80 %). In India, the degree of processed food products ranges between 2 per cent (fruits and vegetables) and 35 per cent (milk) for various agriculture products. Hence there exist a huge potential for the growth of this sector in India. The export value of FPI was US$29.12 billion in 2016 and its share in world import was 2.18 per cent (Agarwal & Neogi, 2017).

India’s food processing sector covers fruit and vegetables; spices; meat and poultry; milk and milk products, alcoholic beverages, fisheries, plantation, grain processing, and other consumer product groups like confectionery, chocolates and cocoa products, soya-based products, mineral water, high protein foods, etc. The output of India’s food processing sector is expected to reach USD 535 Billion by 2025-26 (Invest India, 2020). Out of this, foreign investment is around Rs.10,000 crores (APEDA, 2020). Besides this, Government has also approved proposals for joint ventures; foreign collaboration, industrial licenses, and 100 per cent export-oriented units envisaging an investment.

Like other sectors of the economy food processing sector also suffers from certain constraints. The challenges for the food conservation, distribution and processing sectors are diverse and demanding, which need to be addressed to leverage the growth of agriculture and food processing sector. Following are the major challenges and strategies are suggested to overcome the challenges (Sakina, 2019).

6.1. Domestic Constraints in the Development of Food Processing Industry in India

Despite the significant economic potential of the FPI in India, it still faces massive domestic challenges, which include low level of processing, fragmented structure of the industry, consumer perception and lack of skilled manpower. Firstly, low level of processing means that at industrial level, less food is processed, as compared to household level. Most of the traditional food items like jams, jellies, pickles etc. are prepared at small manufacturing units or by households (Agarwal & Neogi, 2017).

Secondly, consumer perception with regard to processed food in India is not very optimistic and they consider that packaged food is not fresh, thus, leading to low consumption of processed food. Thirdly, food processing sector is still highly fragmented and unorganised. This led to the inefficacies in the sector and has failed to achieve the economies of scale (Agarwal & Neogi, 2017).

Introduction

Trichoderma, a genus of fungi found ubiquitously in soil, has garnered significant attention as a potent bio-control agent for managing soil-borne diseases in flowers. These diseases, caused by pathogenic fungi like Fusarium, Pythium and Rhizoctonia, can devastate floral crops, leading to substantial economic losses. Trichoderma species combat these pathogens through multiple mechanisms, including mycoparasitism, competition for nutrients and space, production of antimicrobial compounds and enhancement of plant immunity. By colonizing root surfaces, Trichoderma forms a protective barrier against harmful pathogens, effectively reducing their impact. Additionally, Trichoderma’s ability to decompose organic matter and improve soil structure further contributes to plant health and vigor. Its use aligns with sustainable agricultural practices, offering an eco-friendly alternative to chemical pesticides, which can have detrimental environmental effects and lead to resistance in pathogens. The application of Trichoderma not only promotes healthier, more resilient flower crops but also supports the broader goal of reducing reliance on synthetic agrochemicals. As research continues to unveil the full potential of Trichoderma, its role in integrated disease management strategies is poised to expand, making it an invaluable tool for floriculture and sustainable agriculture worldwide.

Biodynamic farming, a pioneering method of organic agriculture founded by Rudolf Steiner in the 1920s, emphasizes a holistic, ecological approach to farming. Central to this practice is the concept of viewing the farm as a self sustaining organism, integrating plants, animals, soil, and cosmic rhythms into a unified system. Biodynamic certification and standards are essential for ensuring that farming practices adhere to these holistic principles, providing transparency and credibility to consumers. This article explores the origins, principles, processes, and implications of biodynamic certification. It discusses key certification bodies, the rigorous standards they enforce, and the benefits and challenges associated with certification. Through detailed analysis, this article aims to offer a comprehensive understanding of how biodynamic certification supports sustainable agriculture and impacts the broader agricultural landscape.

Millions of people worldwide suffer from food insecurity and malnutrition, which are exacerbated by issues including pollution, overcrowding, climate change, and economic hardship. These problems highlight the necessity of changing food systems for better immunity and health since they lead to both undernutrition and overnutrition. Essential carbs, fiber, fats, and important micronutrients including iron, calcium, potassium, zinc, and magnesium are all found in nutrient-dense grains such as foxtail, kodo, proso, tiny, and pearl millets. These millets are widely accessible and have several health advantages. For example, pearl millet is high in amylose starch and contains essential minerals like phosphorus and magnesium, whereas proso millet is a good source of iron, calcium, potassium, and B-vitamins. B vitamins, iron, calcium, and zinc are all found in kodo millet, while finger millet is a great provider of calcium, iron and magnesium. The nutritional profile of millets is further improved by processing methods like milling, germination, extrusion, and fermentation. Prominent research organizations, including as ICRISAT, ICAR, and CGIAR, are actively working to conserve millet and create better types to combat chronic illnesses and malnutrition. Targeted improvements in disease resistance and nutrient content are now possible because to biotechnology advancements. For improved worldwide health outcomes, dietary patterns must nonetheless be changed and these nutrient rich grains incorporated into contemporary food systems, notwithstanding current advancements.

Organic Animal Husbandry happens to be an emerging area which requires attention given its growing potential for domestic as well as export market. The start-ups including farmers engaged in organic farming and entrepreneurs need support in terms of information, technical knowledge, financial, incubation, hand-holding and marketing of organic animal products. Organic animal husbandry has been defined as a system of livestock production that promotes the use of organic and biodegradable inputs from the ecosystem deliberately avoiding the use of synthetic inputs such as drugs, feed additives and genetically engineered breeding inputs, while ensuring the welfare of animals. There are four principles of organic farming viz; principle of ecology, principle of health, principle of fairness, and principle of care, which organic systems must always take into consideration. In order to achieve the animal welfare, environmental protection, resource-use sustainability and other objectives, certain key principles are adhered to under organic livestock production systems. The organic livestock & poultry standards have been notified by APEDA under National Programme for Organic Production (NPOP). All operations related to organic livestock including goat & poultry production are to be governed by these standards in India.

Food security is paramount for developing any nation reliant upon sufficient crop production. The decline in crop production significantly impacts food security, leading to an imbalance between global food demand and agricultural output. Multiple factors contribute to reduced agricultural productivity, including abiotic factors like water scarcity, poor soils, and unsuitable temperatures, as well as biotic factors such as pests, diseases, and weeds attacking crops. These challenges result in inefficient input utilization and decreased crop yields, ultimately threatening food security. Pests, diseases, and weeds profoundly impact plant health, causing substantial losses in crop production. Geospatial technology is employed throughout the agricultural cycle, from initial crop health assessment to forecasting disease outbreaks. Despite the significant challenges global and local agriculture face in achieving optimal outputs and securing food for the world population, the wealth of geospatial data and technological advancements plays a crucial role. They aid decision-makers in formulating strategies to combat various pests and diseases affecting plant health and food crops, thereby contributing to improved agricultural outcomes and food security. This chapter provides a comprehensive appraisal of existing literature to elucidate the role of geospatial technologies, encompassing Geographic Information System (GIS), remote sensing, and the Global Navigation Satellite System (GNSS), which are utilized for data collection, mapping, analyzing distribution, and predicting events related to plant health.

Agriculture plays a pivotal role in India’s economy, it shares 18.2 % (202324) in country’s GDP at current prices and employs 42.3 % of the Indian workforce, particularly in rural areas, making it one of the largest sources of livelihood (Anon., 2024). With 1.41 billion peoples, India is the world largest populous country and agriculture is crucial for ensuring food security. India’s agricultural exports also significant in boosting its economy through generating foreign exchange of 53 billion dollars in 2023 and contributing around 11.8% to total exports (Statista, 2023). India is the largest producer of milk, millets, banana, sapota, cashew nuts, coconuts, tea, ginger, turmeric, black pepper and second largest producer of wheat, rice, sugar, groundnut and in the world (APEDA, 2024). The sector also provides raw materials for many industries, such as textiles and food processing. India achieved self-sufficiency in food grains after Green Revolution, using introduction of high-yielding varieties (HYVs) of crops, especially wheat and rice, chemical fertilizers, pesticides, and improved irrigation techniques, which dramatically increased crop productivity. The improved productivity also helped to increase farmers’ incomes, raise living standards in rural areas, and support the development of rural infrastructure. Moreover, surplus food production allowed India to build buffer stocks, which could be used to manage food shortages or price fluctuations.

Plant Quarantine
The term ‘Quarantine’ is derived from the Latin word quarantum, meaning 40. It refers to the 40 days period of detention of ships from countries with bubonic plague and cholera in the Middle Ages. The first such quarantine was imposed in Venice in 1374.Present quarantine laws now include plants. Plant quarantine , restrict entry of plants, plant products, soil, cultures of living organisms, packing materials, and commodities, as well as their containers and means of conveyance to protect agriculture and the environment from avoidable damage by hazardous organisms.They exclude dangerous organisms while permitting plants and plant products to enter. The term exclusion convey this objective more clearly than plant quarantine. Exclusion relates to keeping organisms out; plant quarantine relates to keeping plants out.
In strict sense ‘Plant Quarantine’ refers to the holding of plants in isolation until they are believed to be healthy. Now, broader meaning of the plant quarantine covers all aspects of the regulation of the movement of living plants, living plant parts/plant products between politically defined territories or ecologically distinct parts of them. Intermediate quarantine and post entry quarantine are used respectively to denote the detention of plants in isolationfor inspection during or after arrival at their final destination.

The overuse of chemical pesticides and farmers’ improper application of them have resulted in a number of issues, including residue in food, feed, and fodder; resistance developing; resurgence, secondary outbreaks; and, most importantly, pollution of the environment. This has caused a condition known as Pesticide Treadmill, which is characterized by the need to apply ever-increasing amounts of chemical pesticides. Integrated Pest/Management was developed as an environmentally sound substitute for the exclusive use of chemicals after Rachel Carson’s book “Silent Spring” in 1962 sparked widespread concern about the overuse of pesticides.
The IDM Concept
In disease management, every alternative control strategy—cultural, biological, mechanical, resistant varieties, physical, etc.—is applied in combination to keep the disease below the threshold of economic injury . In order to control the disease, pesticides are employed if it spreads and hits the economic threshold. With consideration for the agro-ecosystem, this approach to integrated disease management uses the minimum amount of pesticides possible. In reality, we don’t aim for complete control while managing diseases—rather, we let them progress below what is tolerable, such as the economic threshold. Additionally, it offers agents the chance to endure by controlling the diseases and maintaining a particular state of equilibrium. Therefore, the goal of the integrated disease management concept is to manage the disease using all available strategies while achieving positive effects on the environment, society, and economy.

Cold storage is a widely used method for handling perishable goods in bulk between production and marketing stages. It is essential for preserving the freshness and quality of perishable commodities by controlling temperature and humidity within the storage environment. Ensuring the temperature remains sufficiently low is crucial, as failing to do so can lead to chilling damage to the produce. Additionally, maintaining a relative humidity of 85-90 percent in the storage area is vital for most perishables, as lower humidity can negatively affect their quality.
Fruits and vegetables, if stored at ambient harvest temperatures, have a very short shelf life. Post-harvest cooling helps to quickly remove field heat, thus extending the storage duration. Proper cooling after harvest can:
• Reduce respiration and enzymatic degradation;
• Minimize water loss and prevent wilting;
• Slow or stop the growth of microorganisms that cause decay;
• Lower the production of ethylene, the natural ripening agent.

Abstract
India holds a dominant position in the global production and export of castor, accounting for nearly 88% of global and leading the international the international castor oil trade. This chapter investigates the status of castor production and trade dynamics, highlighting India’s evolving role in commercial agriculture and export-oriented strategies. Castor, a non-edible oilseed with significant industrial applications, is primarily cultivated in Gujarat, Rajasthan, and Andhra Pradesh. The study explores trends in area, production and yield across states and districts, alongside export trends over a 15 year period (2006-06 to 2019- 20). Results show positive growth in export quantity, value and unit price, despite fluctuations, supported by favourable policies and quality improvements. Using the Markov chain model, the direction of trade analysis reveals China as the most stable and dominant importer, followed by Netherlands and France. The USA also shows emerging potential. Instability indices indicate relatively low volatility in trade metrics. The finding suggest that while India maintains a strong global presence, strategic efforts are needed to sustain existing markets and explore new opportunities, especially in emerging economies offering better prices and reliability.
Keywords: Castor Oil Exports, High-Value Commercial Crops, Direction of Trade, Global and Castor Trade Dynamics

ABSTRACT
India’s agricultural exports play a pivotal role in driving economic growth, enhancing rural livelihoods, and generating employment. The Agricultural and Processed Food Products Export Development (APEDA), establishedunder the Ministry of Commerce and Industry, has significantly contributed to the augmentation of India’s agri-exports through strategic interventions. This chapter explores APEDA’s multifaceted initiatives, including quality control, infrastructure development, product diversification, and digital innovations such as paperless systesm, mobile apps, and virtual trade fairs. Notable efforts include the promotion of Geographical Indication (GI) products, expansion of Agri-Export Zones (AEZs), and international marketing of millets during the International Year of Millets (IYOM 2023). APEDA’s Market Access Initiative (MAI) and Agri- Exchange portal have facilitated global trade linkages, while collaborations with institutions and FPOs have strengthened grassroots connections. Recent achievements include surpassing USD 19.69 billion in agri-export value in 2022- 23 and expanding to over 200 countries. This comprehensive engagement reflects APEDA’s central role in branding Indian agriculture on the global stage and positioning India as a reliable exporter of high-quality food products.
Keywords: APEDA, Geographical Indications (GI), Market Access Initiative (MAI), Virtual Trade Fair and International Year of Millets (IYOM)

1). Scab
Diagnostic Symptoms
• Symptoms generally noticed on leaves and fruits.
• Affected leaves become twisted or puckered and have black, circular spots on their upper surface.
• On the under surface of leaves, the spots are velvety and may coalesce to cover the whole leaf surface. Severely affected leaves may turn yellow and drop.
• Scab can also infect flower stems and cause flowers to drop.
• Lesions later become sunken and brown and may have spores around their margins.
• Infected fruit become distorted and may crack, allowing entry of secondary organisms(Figure-1).
Etiology
Scientific Classification
Kingdom : Fungi
Division : Ascomycota

1. Early Blight
Diagnostic Symptoms
• Brown-black necrotic spot-angular, oval shape characterized by concentric rings .
• The concentric ring produce a target board effect, the most characteristic symptom of the disease.
• Several spot coalesce & spread all over the leaf.
• In severe attacks leaves shrivel and fall down.
• Infection and rotting of tubers has also been reported (Fig.1).
Etiology
Scientific Classification
Kingdom : Fungi
Phylum : Ascomycota

English name : Black pepper
Botanical name : Piper nigrum L.
Family : Piperaceae
Chromosome number : 2n = 52
Centre of origin : Western Ghats, India
Black of the commerce is the dried mature fruit of the perennial climbing vine of Piper nigrum L. It is one of the oldest and most significant spices in the world. Black pepper refers to the whole dried fruit, which is still unripe, while white pepper is made from the fruit after the mesocarp has been removed. Among all spice crops, pepper holds the highest share in foreign exchange, earning it the title of the “King of Spices.” An analysis of various types of black pepper from Kerala, Karnataka, Tamil Nadu and Assam revealed the following ranges of values: moisture content (8.7-14.1%), total nitrogen (1.55-2.60%), nitrogen in non-volatile ether extract (2.70-4.22%), volatile ether extract (3.0-4.2%), non-volatile ether extract (3.9-11.5%), alcohol extract (4.4-12.0%), starch (28-49%), crude fibre (8.7- 18.0%), crude piperine (2.8-9%), piperine (spectrophotometrically) (1.7- 7.4%), total ash (3.9-5.7%), and acid-insoluble ash (0.03-0.55%). Starch is the principal constituent of pepper, making up 34.8% of black pepper, 56.5% of white pepper, and 63.2% of decorticated white pepper. Pepper starch consists of small, polygonal granules similar to rice but much smaller. The alkaloid piperine (melting point: 29-30°C) is the primary compound responsible for black pepper’s characteristic biting taste. Other pungent alkaloids present in smaller quantities include chavicine, piperidine, and piperetine. 

English name : Turmeric
Botanical name : Curcuma longa L.
Family : Zingiberaceae
Chromosome number : 2n = 3x= 63
Centre of origin : South East Asia
Turmeric of commerce is the dried rhizomes of Curcuma longa. Cured turmeric contains 5.8% moisture, 8.6% protein, 8.9% fat, 63.0% carbohydrates, 6.9% fibre, 6.8% mineral matter, 0.2% calcium, 0.26% phosphorus, 0.05% iron, 0.01% sodium, 2.5% potassium, 175 IU of vitamin A per 100 g, 0.09 mg of vitamin B1, 0.19 mg of vitamin B2, 49.8 mg of vitamin C, and 4.8 mg of niacin. It provides a calorific value of 390 calories per 100 g. The primary colouring agent in turmeric is curcumin. It is a significant spice, particularly in rice-based cuisines. Curry powder typically contains about 24% turmeric combined with coriander, cumin, cardamom, fenugreek, chillies, ginger, pepper, and dill seeds.

Introduction
Agriculture plays a vital role in global food security and economic development. However, in many regions, agricultural productivity is hindered by various challenges, including the presence of high soil salinity in agroecological systems (Singh, 2009). Saline agroecological systems are found in various regions worldwide, including coastal areas, arid and semi-arid regions, and areas affected by improper irrigation practices. These systems are characterized by high soil salinity levels, which can have detrimental effects on crop growth, nutrient availability and plant water uptake (Rai et al., 2020). Addressing these challenges requires specialized knowledge and tailored strategies to ensure sustainable agricultural practices in such environments (Dagar et al., 2019;
Sethi et al., 2016). Farm advisory and resource management services play a critical role in assisting farmers in saline agroecological systems by providing expert guidance, information dissemination, capacity building, and policy support (Adak et al., 2020). Farm advisory can play a crucial role in helping farmers understand the intricacies of saline agroecological systems, including the causes of soil salinity, its effects on crop performance, and the necessary strategies for managing these challenges effectively. Farm advisory can assist farmers in selecting suitable crop varieties that exhibit tolerance to high salinity levels. This requires comprehensive knowledge of salt-tolerant crops and and nutritional needs. Providing information on the performance and market
demand of different crop varieties enables farmers to make informed decisions about crop selection, optimizing productivity in saline agroecological systems (Kumar et al., 2020; Singh et al., 2021). It can offer guidance on crop management practices tailored to saline environments by providing recommendations on irrigation scheduling, water management techniques, and appropriate fertilization strategies to minimize salt accumulation and maximize crop yields. Helping farmers implement best practices for s

Introduction
Horticulture is distinct from other economic sectors as its output is heavily reliant on weather conditions. The degree of success of horticultural production and economics is decided to a large extent by how well weather conditions corresponding to the crop’s optimal requirements are best utilized to raise the crops. Also, how successfully adverse weather circumstances, such as moisture, thermal, wind, radiation and biotic stresses were handled to minimize adversity. It is well understood that variability in weather elements (particularly rainfall and temperature) is the primary cause of inter-annual variability in crop output. The onset of weather extremes (dry spells, droughts, floods, heat waves, and hailstorms) has a negative impact on horticultural yield, resulting in a low level of productivity. Furthermore, weather can have an impact on output at multiple levels (vegetative stage, harvest, transportation, storage, etc.). Flooding, droughts, heat waves, cold spells, hailstorms, and other natural calamities pose significant risks to farms. These natural catastrophes can lead to lower yields, leaving uninsured farmers with little income for the season. Farmers often plant low-risk, low-return crops (such as early maturing varieties that are drought-resistant) to deal with erratic weather rather than investing in more profitable crops that are more sensitive to weather fluctuations and extremes. Thus, atmospheric stress has significant impacts on the food ecosystem (Bal and Minhas, 2017; MANAGE, 2018).

Taxonomy, also known as systematics, is the study of classifying organisms into logically related groups. Historically, taxonomy was performed by examining physical characteristics of organisms and classifying species based on the most commonly held traits. Unfortunately, this method of classifying plants and animals assumes that because they share physical characteristics, they must have shared ancestors. Markers are used over the years for classification of plants. Markers are any trait(s) of an organism that can be identified with confidence and relative ease, and can be followed in a mapping population. They can be defined as heritable entities associated with the economically important trait under the control of polygenes. Molecular markers are any kind of molecule indicating existence of a chemical or a physical process. Molecular markers include biochemical constituents (e.g. secondary metabolites in plants) and macromolecules (e.g. proteins and deoxyribo-nucleic acid). These macromolecules show easily detectable differences among different strains of a species or among different species.
The prerequisite for the improvement of any plant species are germplasm collection and its characterization to find out the diversity among the accessions. Characterization can be done by several ways which include morphological, enzymatic and genetical methods. The best way to assess the diversity is based on DNA markers which allow differentiation among genotypes without any environmental influences. These markers have a great potential to identify genetic diversity within and among accessions which help in successful implementation of pre-breeding approaches. Molecular
markers are considered the best tools for determining genetic relationships diversity as they are unlimited in number, show high polymorphism, provides more reliable information, detect more variation than morphological and biochemical markers; and are stage independent, not affected by environment and simply inherited. Molecular markers are ‘tags’ that can be used to identify specific genes and locate them in relation to other genes. They help in ensuing a desired beneficial trait to be maintained or an undesirable trait to be eliminated.

The potential of Vegetable Genetic Resources (VGR) is vast, offering solutions to future challenges such as food and nutritional security. Achieving this requires the identification, collection, conservation, documentation, and utilization of these resources. The introduction and acceptance of improved varieties have resulted in the replacement of numerous landraces and local crop cultivars across various agri-horticultural crops, with a particular impact on vegetables. The alignment of activities related to the management of plant genetic resources at both global and national levels has enhanced the opportunities for utilizing VGR. India possesses a rich diversity of vegetable genetic resources, comprising indigenous and exotic varieties. Information regarding VGR in the Indian region can be accessed through passport data, conservation records, catalogs detailing characterization and evaluation, as well as insights into local vegetable usage, all of which contribute to strengthening these initiatives. This chapter delves into vegetable genetic resources, focusing on economically significant vegetable crops of India, along with regionally important crops, potential species, and their wild relatives, highlighting efforts undertaken at ICAR, NBPGR for its collection conservation, characterization and utilization.

Globally, India ranked second in vegetable production and contributed 15.8 and 14% to global vegetable area and production, respectively. The production of vegetables in India is estimated to be 212.91 million tonnes in the year 2022-23 compared to 209.14 million tonnes in the year 2021-22. India ranked first in production of okra in the world (73% of world production) and second in brinjal (27.55%), cabbage (13%) and tomato (11%). The major vegetable growing states in India are West Bengal (14.1%), Uttar Pradesh (11.4%), Bihar (9.3%), Madhya Pradesh (8.0%) and Gujarat (7.1%). Vegetables are especially important crops for farmers with small holdings because an appreciably higher income per hectare can be generated by growing vegetables than from conventional staple crops (Genova et al, 2006). However, vegetables are generally considered more vulnerable than staple crops to stressful environmental conditions including extremes of temperatures, drought, salinity, alkalinity, water logging, mineral nutrient excesses and deficiency (Chinnusamy et al, 2005). These environmental stresses are likely to be exacerbated by the prevalent climatic changes in many parts of the world.
Among environmental factors, soil salinity stress is one of the main factor reducing production and productivity of vegetables in arid and semi-arid regions where irrigation water has excessive salt and annual rainfall is low. In India, about 6.73 million ha of land (~2.1% area of the country) is salt affected, out of which 2.96 million ha is saline and 3.77 million ha is sodic (Arora & Sharma 2017). About 75% of salt-affected areas exist in four states, i.e., Gujarat, Maharashtra, West Bengal, and Rajasthan (Mandal et al., 2018).

Vegetable crops belonging to the family Cucurbitaceae are known as cucurbits. These include 950 species in over 90 genera, mainly distributed in the tropics and subtropics (Schaefer and Renner, 2011). Enormous diversity of cucurbit genetic resources has evolved in past centuries to cater the nutritional requirements of people in different geographical and climatic regions. A large number of cucurbitaceous vegetables coming from different centres of origin are cultivated worldwide (Table 1). However, these crops are challenged by several biotic and abiotic stresses. Cultivated varieties are constrained by market demands, the necessity for climatic adaptations, domestication bottlenecks, and in most cases, limited capacity for interspecific hybridization, creating narrow genetic bases for crop improvement. Genetic resources are the building block for any crop improvement programme and includes landraces, traditional varieties, wild, weedy and other related species constituting primary, secondary and tertiary gene pools. They are valuable sources of important genetic traits needed for developing resilient and climate smart crop varieties and therefore, important for food security. The success and pace of the development depends on the efficient use of plant genetic resources. Wild relatives are incredible genetic resources carrying several desirable attributes like nutritional quality, resistance to biotic and abiotic stresses etc. Most of the crop wild relatives of cultivated crops across the world are not receiving adequate attention for their effective utilization in breeding programs. It is therefore, of utmost priority to protect them in the wild, through in-situ conservation, where they can continue to evolve and develop these useful adaptations. ICAR-National Bureau of Plant Genetic Resources (ICAR-NBPGR) is the nodal agency for the management of national wealth of vegetable genetic resources speciallyworking for collections, characterization, identification and documentation of new germplasm. Besides, it also bears the responsibility for conservation of the germplasm for future through sustainable use. The Vegetable germplasm is being conserved both under in-situ and ex-situ genebanks. This chapter highlights the status of Cucurbit genetic resources and procedures to access the germplasm by various stakeholders for research use.
 

Introduction
Food Pipe Line refers to a post-harvest system that deals with ensuring the delivery of a crop/commodity from the time and place of harvest to the time and place of consumption, with minimum loss, maximum efficiency, and maximum returns to all concerned including the grower, processors, and consumer. The term ‘system’ represents a dynamic, complex aggregate of logically interconnected functions or operations within a particular sphere of activity. The term pipeline refers to the functional succession of various operations but tends to ignore their complex interactions.
Stages of the post-harvest system
The food commodities broadly undergo different stages/operations of postharvest systems right from harvest to consumption. However, the applicability of different stages varies with the type of crop. Different unit operations involved in the post-harvest system of food commodities are as under:
1. Harvesting
2. Threshing (food grains, pulses and oilseeds)
3. Drying (food grains, pulses and oilseeds)
4. Collection, Sorting, grading, packaging (Horticultural Crops)
5. Transportation and distribution
6. Storage (Godowns, cold stores, CA stores)
7. Processing

A. Tomato and Tomato Products
Tomato though botanically a fruit is generally considered a vegetable because of how it is consumed. Commercial products from tomatoes include juice, puree, paste, ketchup, soup canned and dehydrated tomatoes. Processing of tomato is now practised from home scale level to large scale enterprise. As a semi-finished product, tomato puree is prepared on a small scale while at a large scale, tomato paste has gained commercial significance. Both puree and paste are used for the preparation of different finished products like ketchup, juice, soup etc. The method for preparation of these products is well standardized, however, some modifications concerning recipes are made in the processing plants owing to variations in the quality of the raw material. The methods for the preparation of different tomato products are discussed as under: -
I. Tomato Juice/Pulp
Tomato juice is an unconcentrated product consisting of a liquid with a substantial portion of the pulp, expressed from ripe tomatoes with or without the application of heat and the addition of salt. Tomato pulp/juice is the basic ingredient for the preparation of different tomato-based products such as tomato puree, paste, ketchup etc. Fully ripe tomatoes are used for the preparation of tomato juice/pulp. All green, blemished and overripe fruits should be rejected as they adversely affect the quality of the product. The juice obtained from overripe tomatoes is usually thin and unpleasant. The juice should be deep red in colour with a characteristic taste and flavour. The juice shall have about 0.4% acidity expressed as citric acid. Cane sugar (1%) is added to further improve the taste and flavour of the finished product.

Introduction
The food that has been damaged or has undergone changes so as to render it undesirable/unacceptable/unfit for human consumption is termed as spoiled. Spoilage of processed products is mainly caused by the action of micro-organisms and due to the physical or chemical changes. The reasons for microbial spoilage include under processing, inadequate cooling, contamination from leakage through can seams and pre-process spoilage. In under-processed cans (receiving low heat treatment), large number of different types of micro-organisms are expected to be involved in spoilage.
Causes of Food Spoilage
Food spoilage or deterioration may be described as loss of weight, softening, souring, rotting, wilting, moulding or a combination of one or more forms. The major causes of food deterioration are: biotic and abiotic factors.
A. Biotic Factors
1) Microbial spoilage (yeast, mould, bacteria)
2) Enzyme action (activities of enzymes present in foods)
3) Insect and rodent damage (attack of insects, rodents and parasites)

Mutation breeding is a method that uses physical radiation or chemical means to induce genetic variation in plants to develop new crop varieties. Mutation can be defined as a sudden heritable change in the character of an organism which is not due to either segregation or recombination. Mutation is the source of most genetic variation and the motor of evolution. It is a natural process, which occurs spontaneously and slowly over generations in plants, animals and all living beings. It involves alteration of their DNA, leading to the development of changes within the organism. Mutation may be sped up through the treatment of physical or chemical mutagens to achieve alteration in characteristics that are useful for the development of new variety of a plant species.
Spontaneous mutations
Spontaneous mutations are the net result of all that can go wrong with DNA during the life cycle of an organism (Glickman et al., 1986). Thus, the types and amounts of spontaneous mutations produced are the resultant of all the cellular processes that are mutagenic and those that are anti-mutagenic. Spontaneous mutations occur naturally without any apparent cause however, there are two possible sources of origin of these mutations.