WASHINGTON — The USDA Animal and Plant Health Inspection Service has confirmed the presence of highly pathogenic avian influenza in a flock of commercial broiler chickens in Stoddard County, Mo.; in a flock of commercial layer chickens in Cecil County, Md.; and in a commercial mixed species flock in Charles Mix County, S.D.
Details include:
Missouri
Samples of the commercial broiler chicken flock were tested at the University of Missouri Veterinary Medical Diagnostic. . .