The Textbook of Veterinary Microbiology is specially designed to meet the requirements of Veterinary and Animal Science Students of the developing countries of Asia, Africa and Latin America. The book provides general background of Veterinary Microbiology with special reference to infectious diseases of livestock. The first part of the book covers microbial biology, covering the history and scope of veterinary microbiology, general characters and classification of viruses, bacteria and fungi. In the second part, bacterial pathogens and associated diseases of animals and poultry have been covered with emphasis on diagnosis and control of important diseases. In the third part, information on pathogenic viruses and associated diseases of livestock has been provided with special reference to diagnostic and preventive aspects. In the fourth part, pathogenic fungi and the animal diseases caused by them have been described. Micro-organisms of little or no pathogenic importance have been omitted while greater emphasis has been placed on micro-organisms causing diseases which result in severe economic losses in the developing countries of Asia, Africa and Latin America. This book has been prepared according to the syllabus approved by the Veterinary Council of India and would fulfill the needs of veterinary students in the discipline of microbiology. The veterinary disease investigators and the practitioners of veterinary medicine also will find the book useful for reference and guidance.