Products Archive - Merck Animal Health USA

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FERTAGYL®

Is indicated for the treatment of ovarian follicular cysts in dairy cattle. Ovarian cysts are non-…

RALGRO® (zeranol)

The calf implant known and trusted industry-wide for more than 50 years.

DOLOREX® (butorphanol tartrate injection)

Learn more about this fast-acting pain relief solution for horses which is consistent, safe, and backed by Merck Animal Health.