
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.
2009 Year in Review
Fears over antibiotic resistance are fueling new calls from Washington to further regulate antimicrobials used in food animals. The topic spurred hours of discussion at July's American Veterinary Medical Association (AVMA) meeting in Seattle. As the political rhetoric heats up, AVMA voted to form a task force to review the available science about antibiotic resistance. Go to