Ralgro Implant

The Ralgro cattle implant form Merck Animal Health is an anabolic agent which increases rate of weight gain and improves feed conversion of weaned beef calves, growing beef cattle, feedlot steers or heifers, and suckling beef calves. Zeranol is the active ingredient in Ralgro® implants which stimulates animal’s own natural growth system. Implant guns must be purchased separately!

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Each implant contains 36 mg. of zeranol. 24 doses per cartridge. Implant administered subcutaneous or backside of ear. Dosage: 36 mg zeranol. (each pellet contains 12mg of zeranol), asingle pull of the RALOGUN® trigger delivers the proper 36-mg dose (three-12-mg pellets per chamber).  
Do not use in bulls intended for reproduction or dairy animals. Do not use before 1 month of age or after weaning in heifers intended for reproduction. Edema of the vulva and udder, teat elongation, rectal and vaginal prolapse, and signs of estrus may occur when heifers are implanted. Delayed testicular development may occur in young males. To avoid difficulty in castration, young males should be castrated at the time of implanting.

See complete label information and application under the 'Download Tab'


This product is approved for use in cattle only. Attempts to use the product in any other a manner violate federal, state, and local laws. By purchasing this product you agree to use this product in the manner for which is intended and in accordance with the label instructions. Failure to follow label instructions are beyond the control of LivestockConcepts. and are, therefore, the responsibility of the buyer.


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