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Business · 28/02/2003Updated: 10/17/2026 · 1 min read

FDA Prohibits Extralabel Use of Phenylbutazone in Female Dairy Cattle

Summary

The FDA is issuing an order to prohibit the use of phenylbutazone in female dairy cattle 20 months of age or older, citing a risk to public health due to potential adverse events in humans.

Original source language: Federal Register — Food and Drug AdministrationOpen original release →

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