HPAI Outbreak in Michigan Dairy Herds: MDARD Urges Enhanced Biosecurity

HPAI Outbreak in Michigan Dairy Herds: MDARD Urges Enhanced Biosecurity

The Michigan Department of Agriculture and Rural Development (MDARD) announced the detection of highly pathogenic avian influenza (HPAI) in dairy herds in three new counties: Ionia, Isabella, and Ottawa, in addition to the previously reported case in Montcalm County. MDARD Director Tim Boring emphasized the need for heightened vigilance, stressing that HPAI does not respect boundaries and requires a robust response.

Federal agencies assure the safety of the commercial milk supply, emphasizing that pasteurization effectively eliminates any risk of transmission through milk. While the virus has affected dairy cows differently than poultry, proper veterinary care is essential for their recovery. Biosecurity measures are strongly recommended, including limiting farm visitors, preventing wildlife contact, and frequent handwashing.

Producers are urged to work closely with veterinarians and implement enhanced biosecurity protocols. HPAI is highly contagious and can spread through various means, including infected wild birds or animals, contaminated equipment, feed, or clothing. Affected premises have voluntarily restricted movement to contain the disease.

Producers with concerns about animal health or biosecurity should contact their veterinarian, and anyone suspecting HPAI should report it to MDARD immediately. Additional information is available on the USDA website and Michigan’s HPAI resource page.

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