Lot many of our graduating as well as graduate students felt need of agood book containing all the relevant information of various subjects of veterinary sciences in a concise form that can be helpful in their preparation of various competitive examinations like JRF and Civil Services. We tried at our level best to provide all such informations in this book needed by students who are preparing for their life shaping competitions. This is one of the unique books of its type which included comprehensive knowledge of all works of veterinary sciences. We are thankful to all the authors of different kind of books on veterinary sciences because visiting of those books only can provide materials for preparation of this book.