BLM to remove 258 wild horses from Silver King HMA, treat 25 mares

/ In The News, News, Roundups
Galahad, left, and his lead mare, Hope, were captured by the BLM on the Silver King HMA in 2010. Now reunited, they live at RTF’s San Luis Obispo, Calif., satellite sanctuary

The Bureau of Land Management plans to begin a helicopter roundup in and around the 606,000-acre Silver King Herd Management Area, located about 60 miles south of Ely, Nev., as soon as Friday. 

The agency plans to capture up to 283 wild horses and remove up to 258. Its stated purpose for the roundup is to “prevent undue or unnecessary degradation of the public lands associated with excess wild horses … and to restore a thriving natural ecological balance and multiple-use relationship on public lands.”

The BLM intends to treat “up to” 25 mares with the fertility control vaccine GonaCon-Equine, then release them back onto the range. 

Return to Freedom supports the use of the fertility control vaccines PZP and PZP-22 to slow reproduction and reduce calls for roundups. Because GonaCon interrupts the hormone cascade, it may cause other behavioral changes that would affect herd dynamics. As such, RTF would like to see more studies to ensure that GonaCon meets the parameters of ethical and thoughtful wildlife fertility control.

The agency estimates the current population of wild horses on the HMA at 343, including foals born this year. The agency-set “Appropriate Management Level” is 60-128 wild horses or as low as one wild horse for every 10,100 acres.

By comparison, BLM allows up to 55,940 Animal Unit Months of private cattle and sheep grazing on six allotments that overlap the HMA by 24-100%. One AUM is enough forage for one cow-calf pair or five sheep per month.

In 2018, BLM captured and removed 996 wild horses from the Silver King HMA. Nineteen died during the roundup.

Horses identified for removal during this month’s roundup will be transported to the Palomino Valley Wild Horse and Burro Center in Reno, Nev., where they will be checked by a veterinarian and readied for the BLM’s wild horse and burro adoption and sale Program.

To view BLM’s planning documents, click here.

Viewing the roundup

Once gather operations have begun, those wanting to view gather operations must call the gather hotline nightly at (775) 861-6700 to receive specific instructions on each days’ meeting location and time.

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