Parasitic worms can weaken cattle and sheep and cost the livestock industry millions of dollars. The cost is rising as parasites develop drug resistance.

The U.S. is ramping up the fight against a parasite that experts say is a multibillion-dollar threat to the Texas cattle industry. America has temporarily blocked cattle imports from Mexico due to ...

Stop guessing and start testing. Fecal egg count reduction tests can identify resistance in your herd before parasite loads ...

“Out of sight, out of mind” is an expression often used to describe something that cannot be seen, so it is easily forgotten. On the subject of herd health, this phrase can easily be applied to our ...

A human case of flesh-eating screwworm was detected in the United States related to the latest outbreak of the parasite in Central America, according to officials. The patient had recently returned to ...

HERMOSILLO, Mexico — The United States' suspension of live cattle imports from Mexico hit at the worst possible time for rancher Martín Ibarra Vargas, who after two years of severe drought had hoped ...

CINTALAPA, Mexico — With Mexican cattle again barred this month from entry to the United States over fears of spreading a flesh-eating parasite, ranchers and veterinarians in Mexico hundreds of miles ...

More Iowa herds have tested positive for a tick-borne parasite that can sicken and kill cattle, but experts said they still do not expect the illness to become widespread across the state. Grant ...