Today, nutraceuticals have been recognized as any natural product, food or dietary supplement that provides medical or health benefits including the prevention of diseases. Keeping these aspects in view, the book covers different types of Nutraceuticals used in livestock and poultry, their role, mode of application, advantages and disadvantages if any. In chapter 1, the concepts of feeding nutraceuticals have been discussed and classified into several groups. Chapter 2 presents feeding of antibiotics to poultry and livestock species and how it has been gradually replaced by different feed...