The cattle drug monensin was believed to have been present in large quantities in a shipment of horse feed; OK state officials are investigating.
monensin
LATEST UPDATE: The state of Florida has fined Lakeland Animal Nutrition $4,000 after feed they manufactured and sold poisoned 22 horses at Masterpiece Equestrian Center in Davie, Florida. An investigation by the Florida Department of Agriculture and Consumer Services revealed two violations for adulterating and misbranding commercial equine feed and two violations of distributing adulterated […]