Business · 08/08/2003Updated: 10/17/2026 · 1 min read
FDA Approves New Animal Drugs for Use in Animal Feeds
Summary
The US Food and Drug Administration (FDA) has amended its animal drug regulations to reflect the approved status of a new animal drug application submitted by Pennfield Oil Co., allowing the use of a three-way combination of chlortetracycline, procaine penicillin, and sulfamethazine in medicated swine feeds for growth promotion and disease management.