Animal welfare Moral and ethical aspects 195 Animal rights 180 Human-animal relationships 126 Animals 65 Law and legislation 60 History 56 more ... Philosophy 36 Social aspects 33 Laboratory animals 32 Religious aspects 31 Animal experimentation 28 Animals and civilization 23 Dogs 20 Livestock 20 Animal rights movement 18 Animal rescue 15 Ethics 14 Wildlife conservation 14 Animal industry 13 Christianity 13 Psychological aspects 13 Animal rights activists 12 Animals (Philosophy) 12 Conduct of life 11 Transportation 11 Human ecology 10 Vegetarianism 10 Quarantine, Veterinary 9 Speciesism 9 less ...