1. INTRODUCTION 
2. BACTERIAL DISEASES 
3. MYCOPLASMAL DISEASES
4. VIRAL DISEASES
5. CHLAMYDIAL DISEASES
6. PRION DISEASES 
7. RICKETTSIAL DISEASES 
8. FUNGAL DISEASES
9. PROTOZOAVAL DISEASES
10. PARASITIC DISEASES 
11. IMPORTANCE OF VACCINATION IN PREVENTIVE HEALTH MANAGEMENT PROGRAM OF FARM ANIMALS .