Disease control Prion, Viral, Bacterial and Fungal Pathogens of Animals, (New March 2000) 18 Disease prevention 15 Diagnosis 14 Diagnosis of Animal Diseases, (New March 2000) 13 Protozoan, Helminth, Mollusc and Arthropod Parasites of Animals, (New March 2000) 13 Epidemiology 12 more ... Host Resistance and Immunity 10 Pesticides and Drugs; Control, (New March 2000) 10 Diseases 9 Human diseases 9 Prion, Viral, Bacterial and Fungal Pathogens of Humans, (New March 2000) 9 Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) 9 Zoonoses 9 Cattle 7 Diagnostic techniques 7 Disease prevalence 7 Infectious diseases 7 Man 7 Non-communicable Diseases and Injuries of Animals 7 Sheep 7 Animal Reproduction and Embryology, (New March 2000) 6 Drug therapy 6 Vaccination 6 Vaccines 6 Clinical aspects 5 Genetics and Molecular Biology of Microorganisms, (New March 2000) 5 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 5 Prevention 5 Reproduction 5 less ...