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Our companionship with animals dates back to the domestication of dogs, which is estimated to have occurred between 15,000 and 30,000 years ago. For over two millennia, literature has recorded guidance on how to care for pets, especially dogs. Ancient texts reveal that dogs were typically fed leftovers from their owners' meals rather than meals specifically prepared for them. The Roman author Marcus Tarentius Varro was one of the earliest figures to document dog feeding advice, emphasizing a diet of meat, bones, barley bread soaked in milk, and avoiding grass and leaves.