PIGS might once have rivalled dogs for the title of humanity's best friend. While one in three of the hunter-gatherer societies that survived into the 20th century kept dogs, an impressive one in 10 kept pigs as pets. The women of the Maring people in New Guinea treated their piglets like their own babies. The Hokkien of Taiwan fed their pigs on papaya and plums -though these "pets" were destined to be sacrificed to the gods.
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