Business · 29/02/2000Updated: 10/17/2026 · 1 min read

FDA Approves Revised Withdrawal Time for Chlortetracycline Powder in Swine Drinking Water

Summary

The US Food and Drug Administration (FDA) has amended its animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Pennfield Oil Co., which allows for a revised withdrawal time for the use of chlortetracycline (CTC) powder in swine drinking water.

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

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