Animals 122 Pathology 68 Physiology-- Specific physiological systems in animals 58 Animals-- Zoology 56 Zoology 56 Physiology 48 Genetics 46 Animal ecology-- Animals of specific environments 43 Natural history of animals 43 Reproduction 43 Biochemistry 41 Taxonomy of animals in ancient India-- British India 40 Livestock 37 LPM 36 Animal nutrition 34 Animal husbandry 32 Domestic animals 32 Parasitology 29 Behaviour 28 Biology 26 Gynaecology 26 Microbiology 26 Plants 26 Crustacea and related animals-- Invertebrate Zoology 25 Crustacean and related animals-- Invertebrate Zoology 25 Animal Genetics and Breeding, (New March 2000) 24 Anatomy 23 Animal Nutrition (General) 23 Animal welfare 23 Ecology 23