Aetiology 1 Animal Genetics and Breeding, (New March 2000) 1 Animal Immunology, (New March 2000) 1 Animal models 1 Bacterial antigens 1 Biochemistry and Physiology of Microorganisms, (New March 2000) 1 Camelidae 1 Cattle 1 Cell culture 1 Control programmes 1 Costs 1 Deer 1 Diagnosis 1 Diagnosis of Animal Diseases, (New March 2000) 1 Diagnostic techniques 1 Disease control 1 Disease prevalence 1 Disease prevention 1 Disease resistance 1 Disease surveys 1 Economics 1 Epidemiological surveys 1 Epidemiology 1 Genetic analysis 1 Genetics 1 Genetics and Molecular Biology of Microorganisms, (New March 2000) 1 Geographical distribution 1 Goats 1 Host Resistance and Immunity 1 Human diseases 1