(trenbolone acetate and estradiol)

Product Description

The original implant for feedlot heifers.

REVALOR-H in feedlot heifers increases weight gain and improves feed efficiency in a single implant.

REVALOR-H - product box 2023


Increases rate of weight gain and improves feed efficiency in a slow-release delivery system. For steers and heifers fed in confinement for up to 130 days. Do not use in veal calves. Effectiveness and animal safety in veal calves have not been established.


Studies have demonstrated that the administration of Revalor®-H can result in decreased marbling scores when compared to non-implanted heifers.


One implant containing 140 mg trenbolone acetate and 14 mg estradiol is administered to each animal. The 7 small pellets which make up the dosage of Revalor®-H are contained in one division of the multiple dose cartridge. Ten doses are in each cartridge. The cartridge is designed to be used with a special implant gun.


Box of 10 x 10 cartridge implants.


Store unopened product at or below 25°C (77°F). Avoid excessive heat and humidity. Use product before the expiration date printed on the label and on the cartridge pouch. Opened cartridges may be stored in the foil pouch protected from light in the refrigerator (2-8°C/36-47°F) for up to 6 months.


Not to be used in animals intended for subsequent breeding, or in dairy animals. For Animal Treatment Only. Not for Use in Humans. Implant pellets in the ear only. Any other location is in violation of Federal Law. Do not attempt salvage of implanted site for human or animal food.

A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.


U.S. only: Merck Animal Health or call 1-800-211-3574
For more information, please see the product label.

Take a look at the other implant options available from Merck Animal Health.

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