The discipline of animal health and nutrition focuses mainly on the dietary habits and nutritional requirements of animals. This book discusses the fundamentals as well as modern approaches of animal nutrition. Latest researches on pathogens, host and microbe interactions, infectious diseases, development of vaccines, etc. are included in this book. It consists of contributions made by international experts. It will also provide a number of innovative topics for research which interested readers can take up. This book is meant for students who are looking for an elaborate reference text on animal health and nutrition.