Suit Seeks Halt to BLM Wild Horse Spaying Plan

A wild horse advocacy group filed a lawsuit to stop the BLM from surgically sterilizing mares from an Oregon herd.

No account yet? Register


A wild horse advocacy group has filed a federal lawsuit aimed at stopping the Bureau of Land Management (BLM) from surgically sterilizing mares from an Oregon wild horse herd.

The Wild Free-Roaming Horse and Burro Act of 1971 protects wild horses and burros and places them under the BLM’s jurisdiction. The agency estimates that 67,000 wild horses currently reside on rangelands in 10 Western states.

In June, the BLM announced that in cooperation with Oregon State University it would “develop and evaluate safe and humane methods to spay” wild horse mares as a way to manage wild horse herd growth. The proposed surgeries would be performed on 100 mares residing in corrals in Hines, Oregon.

In response 35 wild horse advocacy groups went on record to oppose the research project claiming that the surgeries would be performed in a nonsterile environment and could result in complications including hemorrhage, infection, and colic that could be fatal

Create a free account with to view this content. is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into

Start your free account today!

Already have an account?
and continue reading.


Written by:

Pat Raia is a veteran journalist who enjoys covering equine welfare, industry, and news. In her spare time, she enjoys riding her Tennessee Walking Horse, Sonny.

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from

Sponsored Content

Weekly Poll

sponsored by:

What lameness issues has your horse experienced? Select all that apply.
249 votes · 499 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with!