Reproductive vaccine could help manage wild horses

Colorado State University researchers team with federal agencies to find better ways of managing wild horse herds.

A team led by researchers from Colorado State University’s Animal Reproduction & Biotechnology Laboratory (ARBL) is trekking through the badlands of North Dakota to dart-deliver a contraceptive vaccine called GonaCon to a select group of mares. This marks the first time that revaccination with GonaCon has been studied in wild horses.

The project, in Theodore Roosevelt National Park, is one of two Colorado State studies underway that aim to provide safe and humane solutions to h

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