The Arizona Department of Agriculture (ADA) announced today (July 26) the quarantine of five horses on a Maricopa County premises after a stallion tested positive for contagious equine metrititis (CEM), a sexually transmitted disease. The disease can cause spontaneous abortion and infertility in mares.
“This disease can be carried by stallions and mares, and transmitted even through modern breeding practices of artificial insemination and embryo transfer,” said John Hunt, DVM, ADA associate director for animal services. “Because many animals don’t show symptoms, CEM can be difficult to detect and control.” Read More
