"RENO, Nev. — Under the threat of another legal battle, the U.S. Bureau of Land Management has pulled the plug on a public-private partnership in northern Nevada aimed at shrinking the size of a wild horse herd through the use of contraceptives, according to documents The Associated Press obtained on Tuesday.

BLM officials confirmed they have suspended the pilot fertility-control project southeast of Carson City pending completion of additional environmental analysis.

Unlike most conflicts over mustangs that pit protection groups against ranchers, the dispute in Nevada's Pine Nut Mountains has divided horse advocates themselves over the appropriate use of fertility-control drugs on the range.

The federal agency approved the pilot project in 2014 working with the American Wild Horse Preservation Campaign and the Gardnerville-based Pine Nut Wild Horse Advocates to treat a herd that a federal judge in Reno has forbidden the agency from gathering."

Scott Sonner reports for the Associated Press May 11, 2016. [2]