The researchers said they found that the relative risk of being bitten by a German shepherd or a Doberman was about five times higher than for a Labrador retriever or a mixed breed.

报告还说，狗在整个演化过程中始终是群居动物，狗群中存在特有的等级统治秩序。

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It's not clear how the 2-year-old mixed breed Ban and her master were separated, but Kessenuma is located in Miyagi prefecture, which was virtually wiped out by the disaster three weeks ago.

目前还不清楚这只2岁大的狗如何与她的主人分开，但是Kessenuma位于宫城县，这个县3周前受到灾难的袭击。

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Owner David Richardson, 76, said he got the mixed breed dog from an animal home about 26 years ago when she was at least three years old, making Bella's age more than 200 years in canine years.

贝拉的主人、76岁的大卫?理查德森说，他是大约26年前从一个“动物之家”领回贝拉的，当时她至少有三岁，那么按照“狗龄”计算，这只杂交宠物狗现在有200多岁了！

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Dusty was a dog, a mixed-breed male one of five dogs that my Uncle Elmer had on his 160-acre farm in Nebraska on that particular summer when Pop and I visited him some 50 years ago.

FORBES: When Dusty The Dog Was Shot: A Parable About Government In America