The theory of animal rights holds that animals and humans have equal rights, and that they have the same psychological characteristics-needs, memory, intelligence, etc. Therefore, all animals have equal rights to humans. Deprived. According to the above definitions, Which of the following are in line with animal rights theory:. ['Lao Xia often buys chicken gizzards to feed stray cats in the community.', 'Aunt Li never feeds leftovers to her pigs in captivity.', 'Lao Zhou considers it inhumane to keep chickens in large cages.', 'Lao Zhao believes that the cattle should be electrocuted instantly with high voltage electricity before killing the cattle to reduce the pain of the cattle.']