FDA Issues Warning Letter to Neogen Following Horse Deaths Linked to Hycoat

Key Facts

1The FDA issued a warning letter to Neogen Corporation following horse deaths linked to its Hycoat product.

The FDA issued a warning letter to Neogen Corporation following horse deaths linked to its Hycoat product. Reuters reported that the regulatory action followed investigations into fatalities allegedly connected to the use of the veterinary treatment, with the warning also extending to contract manufacturer Sciarra Aeromed.

NEOG closed at $13.72 on September 28, 2026, after reaching a session high of $13.85 and a low of $13.42. FDA warning letters regarding product safety and fatalities are considered significant regulatory setbacks that can lead to product recalls and reputational damage for the company.