Rumensin® for Stocker Cattle

Rumensin 90 bag

Rumensin® for Stocker Cattle

For pennies per head per day, Rumensin delivers 20 lbs or more per head of additional selling weight during a 100-day grazing period.¹

Key Product Benefits:

  • Improves energy utilization
  • Improves nitrogen metabolism2
  • Prevents and controls coccidiosis

Improves gain, all while preventing and controlling coccidiosis in grazing cattle

In growing cattle on pasture, Rumensin is a proven management tool that optimizes your investment by improving cattle weight gain, even as the quality of forage changes from year to year.3

Feeding Rumensin

Delivers 20 lbs. or more per head of additional selling weight during a 100-day grazing period.1

Coccidiosis Icon
Coccidiosis Prevention and Control

The most potent feed ingredient available that kills coccidiosis parasites at three different stages of the life cycle instead of merely slowing development.4 More efficacious at lower doses compared to other ionophores.5

Support health and performance

The U.S. Food and Drug Administration has approved the combination of Pennchlor® (chlortetracycline Type A medicated article) and Rumesnin for use in beef calves 2 months of age and older and growing beef steers and heifers fed in confinement for slaughter. Using Pennchlor and Rumensin together gives you flexible options to improve cattle health and performance results. 

Downloadable Resources

Learn more about Rumensin through these additional resources. 

There’s Only One Rumensin

For more than 45 years, producers have trusted Rumensin to deliver consistent, dependable results that add more profit potential to the bottom line.

Rumensin At A Glace Download

At-A-Glance Product Summary for Pasture Cattle

In growing cattle on pasture, Rumensin is a proven management tool that optimizes your investment by improving cattle weight gain.

Trusted By Generations

Rumensin brings you consistent quality and value beyond product.

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 is a registered trademark of Elanco or its affiliates. Other company and product names are trademarks of their respective owners.