A Toothbrush for a Hippo

A Toothbrush for a Hippo

“Usually wild hippos do not need to have their teeth cleaned,” said Pan Xiuwen, an official at the zoo in Shanghai.
“They usually eat grass, which is not likely to get stuck in the gaps between their teeth. However, at the zoo we feed them fruit and vegetables which can easily clog up their teeth,” he explained.
Shanghai Zoo decided to build a four foot-long tooth cleaner, after using a broom for years, to maintain the dental health of their hippopotamuses.
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