Disease prevention 11 prevention & control 7 Cattle 5 Disease control 5 Diagnosis 4 Diagnosis of Animal Diseases, (New March 2000) 4 Human diseases 4 Prion, Viral, Bacterial and Fungal Pathogens of Animals, (New March 2000) 4 Sheep 4 Animal behaviour 3 Behaviour 3 Diagnostic techniques 3 Diseases 3 Epidemiology 3 Food Composition and Quality 3 Foodborne Diseases 3 Heart-Diseases-Prevention 3 Man 3 Non-communicable Diseases and Injuries of Animals 3 Prevention 3 Reproductive disorders 3 Ruminants 3 AIDS (Disease) 2 Aetiology 2 Animal Behaviour 2 Animal Genetics and Breeding, (New March 2000) 2 Animal Physiology and Biochemistry (Excluding Nutrition) 2 Animal Reproduction and Embryology, (New March 2000) 2 Animal physiology 2 Animal welfare 2