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jenifersoflous
Most U.S. Dairy Cows Are Descended From Just 2 Bulls. That's Not Good
The drive to make more milk has had an unsavory side effect: Cows have become more genetically similar and less fertile. Scientists are trying to recover valuable genetic variation that was lost.
Read more on NPR
The drive to make more milk has had an unsavory side effect: Cows have become more genetically similar and less fertile. Scientists are trying to recover valuable genetic variation that was lost.
Read more on NPR
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