Horses 8 Animal Behaviour 7 Behaviour 6 Livestock 6 Pigs 5 Animal Welfare 4 Animal behaviour 4 Animal nutrition 4 Animal welfare 4 Cattle 4 Sheep 4 Anatomy and Morphology (Wild Animals), (New March 2000) 3 Arthropod pests 3 Biological Control 3 Domestic animals 3 Feeding behaviour 3 Horticultural Crops, (New March 2000) 3 Keys 3 Microbiology 3 Mites 3 Natural enemies 3 Non-communicable Diseases and Injuries of Animals 3 Pathology 3 Pest control 3 Plant Pests, (New March 2000) 3 Plant pests 3 Poultry 3 Taxonomy 3 Taxonomy and Evolution 3 Veterinary Pharmacology and Anaesthesiology, (New March 2000) 3