Animal behaviour Behaviour 23 Animal Behaviour 14 Animal welfare 10 Animal Welfare 8 Poultry 8 Animal Physiology and Biochemistry (Excluding Nutrition) 6 Animal physiology 6 Non-communicable Diseases and Injuries of Animals 6 Animal Genetics and Breeding, (New March 2000) 5 Behaviour (Wild Animals), (New March 2000) 5 Fowls 5 Insects 5 Livestock 5 Stress 5 Animal Health and Hygiene (General) 4 Animal Nutrition (General) 4 Animal breeding 4 Animal health 4 Behavioral genetics 4 Ecology 4 Evolution 4 Feeds 4 Horses 4 Meat Producing Animals 4 Natural enemies 4 Pets and Companion Animals 4 Pigs 4 Plant Pests, (New March 2000) 4 Animal Husbandry and Production, (New March 2000) 3