This book has specifically been written for undergraduate students; however, it shall be beneficial for graduate students and teachers also. The book is structured as per requirements of new syllabus prescribed by Veterinary Council of India. The language of the book has been kept simple to enable undergraduate students to understand the basic and applied aspects of Veterinary Preventive Medicine. Care has been taken that no part of the curriculum remains left, so that students may garner maximum benefit out of this book. Contents of the book are presented in a way so that students may obtain paramount benefit of it. Reading of this book shall clear the entire qualm and make the readers well versed with all chapters of Veterinary Preventive Medicine. To augment learning and for revision practice questions have been incorporated at the end of each chapter.