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The subjective experience of animals
Suffering health and productivity
9 other sections not shown
abnormal behaviour ACTH Adaptation Syndrome adrenal glands aggressive analogies with ourselves animal experiences animal suffering animal welfare animal's appear argued argument assessing suffering battery cages behaviour patterns Behaviourists believe birds captive captive animals cause suffering Chapter chickens chimpanzees choice tests choose cleaner fish concerned conflict damage danger difficulties discussed dogs domestic animals effects eggs emotional environment Ethology evidence example experiences of animals farm animals fish frustration genetic heart rate hens hormones human idea ill-health important indicate suffering individual animals injury intensive junglefowl killing large numbers lever live look mammals ment mental events mental experiences monkeys natural negative reinforcers numbers of animals pain particular pest animals physical health physiological measurements physiological stress pigeons pigs possible preference problem productivity rats Red Junglefowl responses scientists seen signs similar sociobiology species speciesism speciesist subjective experiences subjective feelings symptoms trying welfare of animals well-being wild animals zoos