Sterilization plans for wild horses rankle lawmakers

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Wild horses on public lands. Bureau of Land Management photo.

Read more about why Return to Freedom strongly opposes sterilization here.

As published by E&E News

A bipartisan group of House lawmakers is striking back at the Bureau of Land Management’s latest attempt to test a permanent sterilization technique on wild horses.

The group of 30 congressional leaders, including four Republicans, sent a letter to Interior Secretary David Bernhardt late Friday urging him to “drop” BLM research into a controversial sterilization procedure — called ovariectomy via colpotomy — that involves removing the ovaries from mares. The latest proposal, which could begin as early as August, would involve about 100 mares already rounded up from a federal herd management area in central Oregon.

Click here to read the letter from members of Congress.

The lawmakers, led by Rep. Earl Blumenauer (D-Ore.), also asked Bernhardt to “shed light” on why BLM is working “to push forward” with the proposed project after a federal judge last year issued an injunction halting the research. The bureau quickly abandoned the project and committed in February to adopt or sell most of the 845 wild horses it gathered up for the project.

But last month, BLM released a new environmental assessment (EA) analyzing the proposals to test the sterilization technique on mares at the Warm Springs Herd Management Area in Oregon. It marks at least the third time BLM has proposed such research, which has been challenged each time by litigation from advocacy groups.

“The BLM is charged with protecting wild horses under the landmark 1971 Wild and Free-Roaming Horses and Burros Act. From a welfare perspective, the ‘spay’ experiment raises serious concerns,” the letter said. Among them are the “risks of infection, trauma, hemorrhage, evisceration, and even death,” they wrote.

BLM did not respond to a request for comment on this story before publication.

But according to the EA, the bureau wants to test the procedure “on at least 100 ungentled, wild horse mares” already rounded up last October as part of the previous attempt to research the sterilization technique. BLM would “contract with an experienced veterinary team” to conduct the “surgical procedure,” it said.

BLM would return about 28 to 34 of the sterilized mares to the range as part of the project. The U.S. Geological Survey would “evaluate the impacts of spaying” on these animals and on “herd behavior once returned to the range as compared with an untreated herd.” Roughly 70 other mares would also be spayed and observed for seven days, then put up for adoption or sale and not returned to the range.

It’s the latest effort by the bureau to find safe and effective ways to permanently sterilize mares as herd sizes grow rapidly across the West.

But a federal judge blocked a similar proposal last year, and two years earlier BLM dropped a separate research proposal into several sterilization methods shortly after an advocacy group sued.

Joanna Grossman, equine program manager for the Animal Welfare Institute, called the sterilization procedure “gruesome and unnecessary.” And she thanked the lawmakers for urging BLM to end “this misguided research proposal and focus instead on implementing effective and humane fertility control options to manage our nation’s wild horses.”

The congressional leaders led by Blumenauer wrote in the letter that they aren’t convinced BLM will take proper precautions to care for the animals.

“It seems that the agency understands the risky nature of the procedure but is nevertheless aiming to quantify precisely how dangerous it is using federally-protected animals,” they wrote. “This is especially disconcerting given the BLM’s pronouncement that no postoperative antibiotics will be administered and that no veterinary interventions will be undertaken for any recovering horses returned to the range.”

At the “absolute minimum,” the letter said, if BLM conducts the tests it should include “veterinary and welfare oversight” similar to two previous proposals for sterilization research that included partnering with Oregon State University in 2016, and last year with Colorado State University.

Both universities dropped out before the research could begin, and the lawmakers noted with concern that such partnerships “are no longer a component of the project the BLM is attempting to yet again undertake.”