
The first survey of parasite control on bison ranches shows most herds are dewormed on a schedule, with little testing to see whether they need it. Researchers say the habit could make resistance harder to manage.
A recent evaluation by a National Research Council committee sheds light on the National Wild Horses and Burros Program.
C. The BLM says approximately only 2,000 to 4,000 wild horses can be adopted every year.