Animal behaviour 37 Behaviour 33 Animal Behaviour 32 Animal welfare 21 Animal Welfare 20 Non-communicable Diseases and Injuries of Animals 14 Animal Reproduction and Embryology, (New March 2000) 13 more ... Animal Genetics and Breeding, (New March 2000) 12 Pets and Companion Animals 12 Poultry 12 Animal Physiology and Biochemistry (Excluding Nutrition) 11 Livestock 11 Animal Health and Hygiene (General) 10 Animal Husbandry and Production, (New March 2000) 10 Domestic animals 10 Reproduction 10 Behavior 9 Animal health 8 Animal Nutrition (General) 7 Animal Surgery and Non-drug Therapy, (New March 2000) 7 Animal breeding 7 Animal physiology 7 Behaviour (Wild Animals), (New March 2000) 7 Breeding 7 Domestication 7 Fowls 7 Horses 7 Meat Producing Animals 7 Pigs 7 Stress 7 less ...