The Breeds of Guard Dogs that Best Protect Livestock: Study

Preliminary results from a USDA study reveal that imported guard dogs outperform those traditionally used in the U.S. to fend off wolves and coyotes.

Written byJim Daley
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In a study involving nearly 120 guard dogs from Portugal, Bulgaria, and Turkey, federal scientists at the US Department of Agriculture (USDA) found that the imported dogs were better at protecting sheep from coyotes and wolves than breeds traditionally used in the U.S., the Associated Press reported last week (March 10).

“When we were first looking at doing this, a lot of people wanted to know: What dog do I use in dealing with wolves and grizzly bears?” Julie Young, a Utah-based research biologist with the USDA’s National Wildlife Research Center, tells the Associated Press.

Wolf populations, which were placed on the Endangered Species List after being decimated by hunting in the early 20th century, were reintroduced in the American West in the 1990s. Since ...

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