BEGIN AT 8 A.M. NEW MEXICO’S CATTLE INDUSTRY IS GETTING READY FOR SCREWWORM TO HIT OUR STATE. THIS IS LARVAE THAT ENTERS THE WOUNDS OF COWS DEVELOPING UNDER THE SKIN AND OFTEN CAUSES DEATH. THE U.S.

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, ...