In some countries, dogs and cats are commonly considered as pets, while chickens, ducks, and pigs are food.

在一些国家，狗和猫通常被认为是宠物，而鸡、鸭和猪则是食物。

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Pets, such as dogs and cats, make good companions.

宠物，如狗和猫，成为人们的好陪伴。

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It is illegal for anyone to give lighted cigars to dogs, cats, and other domesticated animal kept as pets.

任何人将点着的雪茄给狗、猫和其他的家养宠物，都是违法的。

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Chickens, hogs, cattle are raised as food animals and given drugs that the FDA approves of for human consumption, horses are raised as companion animals and medicated as pets such as dogs and cats.

FORBES: Over Public Outcry, Governor Signs Horse Slaughter Bill

In some cases, said the researchers, viruses could be spread by household pets such as cats and dogs that are injected with the tags to help identify their owner.

BBC: NEWS | Technology | Viruses leap to smart radio tags