Parasites are a hidden drain on cattle performance, quietly stealing productivity and profit from herds across the country.

In the U.S., there are four anthelmintic drug classes: avermectins (macrocyclic lactones), benzimidazoles, imidazothiazoles ...

The use of commercial livestock dewormers has paid off in terms of animal health and productivity, but it has also resulted in resistance among parasite populations. “As dewormers lose effectiveness, ...

“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 ...

Defendazole contains the same active ingredient (fenbendazole) as the approved brand name drug product, Safe-Guard (NADA 128-620), which was first approved for both cattle and goats in 1994. The FDA ...

Defendazole is the first FDA-approved generic equivalent to Safe-Guard, a brand-name anthelmintic first approved for cattle and goats in 1994. 1 According to the FDA, the generic formulation was ...

Russ Daly, SDSU Extension veterinarian says that deworming calves can be one of the most beneficial management practices, however there are concerns about parasite resistance to dewormers. Many ...

Cattle farmers are being urged to act before turnout as rising lungworm cases and growing resistance to commonly used wormers increase disease risk on pasture.