Word: rumen
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Dates: during 1980-1989
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...another. In Michigan, researchers found that cows that licked barn wood treated with the preservative pentachlorophenol were starving to death. It turned out, explains Jerry Hook of Michigan State University's new Center for Environmental Toxicology, that "this substance is toxic to the bacteria in the cow rumen." Such toxicity did not show up in tests with rats...