New Global Rules Target Worm Medicines for Chickens
Published Date: 6/24/2026
Notice
Summary
The FDA just released new guidance to help companies test worm-killing medicines for chickens in a way that’s accepted worldwide. This makes it easier and faster for vets and farmers to get safe, effective treatments approved. If you’re in the animal medicine business, start using these recommendations now to save time and avoid extra costs.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Harmonized testing rules for chicken anthelmintics
On June 24, 2026 the FDA announced final Guidance for Industry (GFI #114; VICH GL21) titled "Effectiveness of Anthelmintics: Specific Recommendations for Chickens--Gallus gallus." The guidance gives study design recommendations specific to chickens to help the generated effectiveness data gain universal acceptance to meet national and regional requirements for anthelmintic (worm-killing) drugs; it is to be read with GFI #90 (VICH GL7) and was endorsed by regulatory agencies in October 2024.
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