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Animal welfare Moral and ethical aspects 91 Animal rights 67 Human-animal relationships 50 Law and legislation 50 Animals 38 Animal experimentation 17 Social aspects 14 History 13 Animal Welfare 11 Laboratory animals 11 Animal industry 7 Behavior 7 Philosophy 7 Humane education 6 Pets 6 Political aspects 6 Psychological aspects 6 Consciousness in animals 5 Livestock 5 Animal Rights 4 Animal psychology 4 Animals and civilization 4 Animals, Laboratory 4 Conservation 4 Domestic animals 4 Ecology 4 Economic aspects 4 Effect of human beings on 4 Environmental aspects 4