University of Illinois research found no differences in sperm motility, morphology or testosterone levels, between a control group of bulls and three groups of bulls treated with pyrethroids....More

Rational thinking would cause one to figure, in a drought as epic as this year’s, that worm larvae have a snowball’s chance of surviving. Pastures have a crisp, toast-like patina and there isn’t enough moisture and green grass to entice any self-respecting Ostertagia larvae to leave that nice, homelike cow patty and brave the elements....More

If you are around horses or a stable lately, you may notice an increase in flies such as stable flies, house flies, horn flies, and horse flies. Dr. Leslie Easterwood, clinical assistant professor for the large animal clinical sciences department at Texas A&M University College of Veterinary Medicine & Biomedical Sciences, said flies are worse in the summertime and this year they are particularly bad....More

Last year’s drought in the southwestern U.S. was a boon to fever trick control, specialists say. But the battle continues as USDA and animal health experts work to build a protective barrier on the Mexico side of the Rio Grande River. New and valuable tools may be coming this year in the potential availability of medicated molasses tubs and two tick-control vaccines....More