USDA Finds Screwworm Larvae In Imported Horse
USDA staff identified New World screwworm larvae in an imported horse currently in quarantine at a Florida import facility, prompting swift treatment and continued monitoring to protect U.S. animal health.
FDA Issues Emergency Use Authorization for Over-the-Counter Injectable Drug to Prevent New World Screwworm in Cattle
U.S. Food and Drug Administration issued an Emergency Use Authorization (EUA) for Ivomec (ivermectin) injectable solution against New World screwworm (NWS).
Indiana’s veterinarian shortage leaves local counties without enough animal care
Several counties across northeast Indiana are facing severe shortages of veterinarians, creating growing concern for both pet owners and livestock producers.
USDA Confirms Highly Pathogenic Avian Influenza in Dairy Herd in Nebraska
Today, the USDA Animal and Plant Health Inspection Service (APHIS) National Veterinary Services Laboratories (NVSL) confirmed a detection of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b, genotype B3.13 in a dairy cattle herd in Nebraska. This confirmation was a result of State tracing and investigation, following an initial detection from pre-movement surveillance milk samples required under USDA’s April 2024 Federal Order.
USDA Declares Minnesota Dairy Herds Unaffected by Bird Flu
Minnesota dairy herds have officially been declared “unaffected” by the highly pathogenic avian influenza (HPAI H5N1) virus, the USDA confirmed in September 2025. After one case earlier this year, months of negative testing allowed Minnesota to regain “Unaffected” status under the National Milk Testing Strategy. The change reduces testing frequency but keeps interstate movement restrictions in place, as bird flu continues to affect herds in Texas, Arizona, California, Nevada, and Idaho.
H5N1 Outbreaks in US Livestock and Human Case Investigation
H5N1 avian influenza continues to spread in US dairy & poultry. USDA reports new cases in a Texas dairy herd and South Dakota turkeys. A California pediatric case highlights the critical need for a One Health approach.

