Home / Siskiyou News / UCDAVIS: Novel Study Calculates the Cost to Cattle Ranchers of an Expanding Wolf Population

UCDAVIS: Novel Study Calculates the Cost to Cattle Ranchers of an Expanding Wolf Population

One Wolf Can Cause Up To $162,000 in Losses Due To Reduced Growth and Pregnancies

by Emily C. Dooley
 April 21, 2025

Motion-activated field cameras, GPS collars, wolf scat analysis and cattle tail hair samples are helping University of California, Davis, researchers shed new light on how an expanding and protected gray wolf population is affecting cattle operations, leading to millions of dollars in losses.

Long believed extinct in California, a lone gray…

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2 Comments

  • I don’t think it takes a study to realize the increase in stress for the cattle – not only from the presence of wolves but mountain lions and bears as well (and maybe a pack of dogs). I would hope a more aggressive method of hazing would be approved – ie – rubber bullets, paintballs, etc. It doesn’t seem like the current methods are working too well. However, that would mean there has to be a range rider etc out there with the cattle all the time.

  • Didn’t someone figure this out a century ago and start erradicating them? Maybe those old people were smart after all.

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