Give a screwworm an inch, and it’ll take a mile. This pernicious pest, which, in its adult form, has bulging orange eyes and a metallic blue-green body, has held insecta non grata status in Texas ...

Parasites are growing resistant to dewormers used by many Missouri farmers to treat their cattle. That’s according to a new study from University of Missouri researchers. Parasites can cause weight ...

Add Yahoo as a preferred source to see more of our stories on Google. Vanessa Gonzalez / Getty Images Mexico’s Chief Veterinary Officer notified the U.S. Department of Agriculture's Animal and Plant ...

For many producers, deworming has become a routine part of herd management. Cattle are processed, products are administered ...

Mexico activated emergency controls Monday after detecting a new case of New World screwworm in cattle in the northern border state of Nuevo Leon, the closest case to the U.S. border since the ...

MCALLEN, Texas -- Multiple efforts are underway to stop a parasitic fly from swarming Texas and the rest of the U.S. and wreaking havoc on the nation's multi-billion-dollar cattle industry. As ...

For decades, parasite control in cattle has followed a familiar script: Treat the whole herd in the spring, treat again in ...