If you’ve struggled with a sinus infection or bronchitis this winter, then you may have gone to the doctor and received a prescription for antibiotics so you can feel better.

Sometimes, farmers also must use antibiotics to treat farm animals that get sick. In this case, livestock farmers consult with their veterinarians to determine the best treatment.

“Unfortunately, just like in people, despite all the things we do to try to prevent our animals from getting sick, it does happen,” says Dr....