CHEYENNE, Wyo. (AP) -- The Bureau of Land Management gathered about 1,800 wild horses across Wyoming in the past two months and will put more than 1,200 of them up for adoption.

The roundups took place in the McCullough Peaks, Fifteenmile, Green Mountain, Stewart Creek, Crooks Mountain, Antelope Hills and Lost Creek horse management areas.

The agency says the roundups were part of an effort to thin the horse herds and maintain healthy rangelands.

Most of the horses will be gentled and trained at the Mantle Wild Horse Training and Adoption Center in Wheatland, the Wyoming Honor Farm in Riverton or a Colorado Department of Corrections facility in Canon City.

The agency says the horses will be available for adoption in Wyoming beginning next spring.

Mares that were selected for return to their former ranges were treated with a fertility control vaccine.

Copyright 2009 The AP.

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