Rumensin logo

Trusted By Every Generation

Keeping a strong herd and a successful operation is what legacies are made of. And for 50 years, beef producers have trusted Rumensin® to deliver consistent results. Its proven effectiveness in over 400 research studies and versatility are what producers depend on to keep their legacies alive for generations to come.

Running Strong in the Face of Adversity


Four generations of Alexanders have survived the good, the bad, and the ugly. Now, they’re preparing to welcome the fifth generation into the mix as they all work to ensure their story continues.

Feedyard

Feedyard

Improve feed efficiency and prevent and control coccidiosis in feedlot cattle

Stocker

Stocker

Increase daily average gain as well as prevent and control coccidiosis in stocker cattle.

Cow Calf

Cow-Calf

Maintain body weight on less feed for improved feed efficiency, while preventing and controlling coccidiosis.

The label contains complete use information, including cautions and warnings. Always read, understand and follow the label and use directions.

CAUTION: Consumption by unapproved species or feeding undiluted may be toxic or fatal. Do not feed to veal calves.


Rumensin, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates.

About Elanco

Learn why we're a leading provider of innovative solutions that protect and enhance animal health.

Connect with Elanco

PM-US-25-0941

Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates. ©2025 Elanco or its affiliates.