Pharma Firms Comply with New Antibiotics Rules

Most drug manufacturers agree to follow the Food and Drug Administration’s new labeling guidelines for antibiotics used in farm animals.

Written byRina Shaikh-Lesko
| 1 min read

Register for free to listen to this article
Listen with Speechify
0:00
1:00
Share

WIKIMEDIA, RYAN THOMPSON/US DEPARTMENT OF AGRICULTURENearly every pharmaceutical company that produces antibiotics meant to increase growth in livestock will abide by new voluntary guidelines and change the labeling on their drugs to reflect new US Food and Drug Administration (FDA) rules, the agency announced last week (March 27). The new rules, introduced by the FDA last year, prohibit the use of antibiotics in feed solely to enhance animal size. If an animal requires antibiotics because of illness, farmers need to obtain a veterinarian’s prescription.

Implementing those rules, however, requires the cooperation of 26 pharmaceutical firms. The 25 that have agreed to the new guidelines to date were responsible for more than 99.9 percent of the 2011 sales of the antibiotics affected by the new regulations, FDA said. The only company that did not agree to the new guidance is the Norwegian company Pharmaq AS, which produces an antimicrobial powder for salmon, trout, and catfish.

“The FDA and drug makers appear to have passed the first big test of the agency’s voluntary approach,” Laura Rogers, the director of human health and industrial farming for The Pew Charitable Trusts told Reuters. Rogers also cautioned that more tests would follow.

Critics worry that the voluntary nature of the guidelines provides no way ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies