Synovex Primer is a low-dose combination implant with 50 mg of trenbolone acetate (TBA) and 7 mg of estradiol benzoate. It is indicated for growing beef steers and heifers in a dry lot or on pasture.
Synovex® Primer™ is approved for increased rate of weight gain in growing beef steers and heifers in a dry lot or on pasture. This implant is not approved for repeated implantation (reimplantation) with any other cattle ear implant in growing beef steers and heifers in a dry lot or on pasture as safety and effectiveness have not been evaluated.
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- Implants like Synovex Primer allow dry lot producers to increase their throughput if they are increasing the animal’s gain. The increased gain may result in lower cost of gain as more pounds of gain are spread over input costs.
- The full breadth of the Synovex portfolio allows beef producers the ability to dial in the dose of TBA over the animal's lifetime to match the right Synovex implant to the available nutrition and performance goals.
- Zoetis now offers three options in growth implants for pasture cattle — Synovex Primer™, Synovex Choice and Synovex One Grower.
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Synovex Primer significantly increased average daily gain compared to the sham implanted group, 2.47 vs. 2.21 lbs./head/day (p = 0.0016) over the course of the 90-day study.2
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One implant (two pellets), containing 50 mg of trenbolone acetate and 7 mg of estradiol benzoate, is administered to each steer or heifer by subcutaneous implantation in the middle one-third of the ear.
To administer Synovex Primer follow the instructions included with the applicator for loading the implant clip, cocking the applicator, disinfecting and cleaning, replacing the needle, and removing the implant clip.
