It's the moment every dog owner instantly regrets ever letting their dog kiss them on the mouth: Watching that very same beloved, seemingly well-trained and civilized pup eagerly devour a stinky, steaming pile of poop off the sidewalk.
有一个时刻会让养狗的朋友后悔时常嘴对嘴亲狗——狗看似受过良好训练又有礼貌,但是也会吃下路边臭气熏天的热便便。
Ugh, gross! But why? Why?!
好恶心!但是狗为什么会吃便便呢?
It;s a topic that has long perplexed animal researchers and veterinarians. And if you Google the topic, you're likely to get more than a dozen different explanations ranging from canine anxiety to illness to simply boredom.
这个问题困扰动物研究学者和兽医们不止一时半刻。在网上搜搜看,能发现各种不同的解释,有的说因为犬类焦虑症,有的说因为生病,有的说狗只是太无聊了。
However, a new study led by veterinarian Benjamin Hart, director of the Center for Animal Behavior at the University of California at Davis, has managed to link the off-putting behavior to “greedy eating” (dogs that quickly ravish their food bowls, according to owners) as well as an instinct connected to canines’ ancestral wolf pack days.
但是加利福尼亚大学戴维斯分校区动物行为研究中心主任本杰明·哈特做了项调查,将狗这种倒胃口的行为归结为“贪吃”(养狗的人都说狗会迅速抢走饭碗),也与犬类祖先狼的遗留本能有关。
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