This is a comprehensively written textbook aimed to meet the curricular requirements of all undergraduate veterinary students as per the Veterinary Council of India's MSVE program, postgraduate as well as the doctoral students in the subject. The addition of updated ICAR 2024 nutrient requirements in this edition has added tremendously to the reference value of this book. The book now carries the watchword. Complete information on ruminant nutrition in a comprehensible way 🐃🐂🐄This title will serve as a rich resource in providing cutting-edge information on ruminant feeding to students, teachers and scientists of animal production and health disciplines. It is also designed to serve as a useful guide for field veterinarians and extension workers of departments of agriculture and animal husbandry.Table of Contents🐄 Introduction to Feeding of Livestock: Importance of Scientific Feeding; Feeding Experiments🐏 Evaluation of Feeds by Digestion Experiments🐃 Methods Adopted for Arriving at Nutrient Requirements of Livestock; Energy and Protein Requirements for Maintenance, Production and Reproduction, Requirement for Minerals and Vitamins🐂 Feeding Standards: History, their Uses and Significance🐮 Cattle and Buffalo Nutrition🐐 Unconventional Feeds: Characteristics and their Utilisation in Livestock Feeding🐔 Small Ruminant Nutrition🦙 Feed Intake in Ruminants: Prediction of DMI in Dairy Cow🐕ðŸ¦º Effect or Influence of Nutrition on Reproduction in Ruminants🐴 Rumen Modifiers for Today's Dairy Animals 🦏 Efficiency of Feed Conversion to Animal Products🐈 Development of Efficient Feeding System for Ruminant Animals🐫 Transition Dairy Animal Nutrition and Reproduction Appendices