Subodh Kumar Saha, B.V. Sc& A.H., [...]. (D), PhD, Post Doctorate (Brisbane-Australia), FNAVS, FNAVNAW, principal Scientist, started his career as a scientist on 1995 at, Central Agricultural Research Institute (CARI), Port Blair, A & N islands. He served as scientist for seven years at CARI. He joined at IVRI, Izatnagar, India in the year 2003 and last 18 years engaged in teaching, research and extension activities at IVRI. He published more than 80 research papers, 150 conference papers and seven books. He has been awarded many prestigious awards and recognitions by different societies and organisation. He visited USA and undergone a training on methane mitigation at Iowa State university, Ames, USA. He was also awarded prestigious Endeavour fellowship award for postdoctoral research in 2015- 16 at CSIRO, Brisbane, Australia. He successfully guided more than 20 post graduate students as an advisor so far. Very recently, he visited Berlin, Germany where he presented an invited [...] is the governing council member, NAVS (I) and the general secretary of the Pashu Poshan Kalyan Samiti, Bareilly, India.

Nitya Nand Pathak was born on 1st July, at Balia, UP. After his Doctorate, joined in the research service at IVRI. Later on he became head of the Animal Nutrition division on 1990. After few years, he was selected as Director, Central Buffalo Research Institute, Hisar, India. He was the Project Leader of Buffalo Development Project at Song Be in S.R. Vietnam (1982-84). Dr. Pathak worked with more than 150 co-workers. Dr. Pathak published more than 25 books and 350 research papers. He was hold the post as President, Animal Nutrition Association, Izatnagar, India and Animal Nutrition Society of India, Karnal, India. He had been also vice president of Indian Society of Buffalo Development, Hisar and Indian Society of wildlife and Zoo Veterinarians, Bareilly. He was hold the office of general secretary of NAVS (I), New Delhi. He is the founder president of National Academy of Veterinary Nutrition and Animal welfare, Bareilly.

Discusses topics like the different phases of life cycle in animals, therapeutic and clinical nutrition, processing of feeds

Discusses theharmful components of animal feed which are found mainly in the unconventional feeds

Uses lucid language and provides photographs, tables and sketches for easy understanding

Chapter 1. Brief History of Animal Nutrition.- Chapter 2. Relationship of Soil, Water, Air, Solar Energy, Plant and Animals.- Chapter 3. Chemicals of Life and Chemical Reactions in the Animal Cells.- Chapter 4. Partitioning of Foods.- Chapter 5. Water.- Chapter 6. Carbohydrates.- Chapter 7. Proteins and Other Nitrogenous Substances of Nutritional Significance.- Chapter 8. Lipids.- Chapter 9. Mineral Nutrition.- Chapter 10. Vitamins.- Chapter 11. Enzymes.- Chapter 12. Hormones in Nutrition.- Chapter 13. Use of Feed Additives on Livestock Production.- Chapter 14. Digestion, Absorption and Metabolism of Nutrients.- Chapter 15. Feeding Processes.- Chapter 16. Energy Partitioning.- Chapter 17. Clinical and Therapeutic Nutrition.-