Wild horses quarantined in Fremont County facility after unknown disease kills 57

The Wild Horse facility in Cañon City, Colorado is quarantining their animals after the breakout of a highly contagious and sometimes fatal disease broke out, the Bureau of Land Management announced Monday.

The Fremont County facility's 2,550 wild horses are under a voluntary quarantine while local, state and federal officials investigate the disease, that has killed 57 horses since April 23.

Horses gathered from the West Douglas area have been the most affected, the Bureau of Land Management said in a release.

"We are working with local, state and federal officials to determine what is impacting horses in the facility and how we can respond as effectively as possible," Stephen Leonard, Colorado Wild Horse and Burro Program Manager for the Bureau of Land Management, said.