Synovex Primer 100 DoseSynovex Primer 100 Dose Synovex Primer is a low dose combination implant designed for use in growing beef steers and heifers housed in a dry lot. It contains 50 mg of trenbolone acetate (TBA) and 7 mg of estradiol benzoate, both of which are hormones used to promote growth in cattle. Indications: Primary Use: Synovex Primer is approved to increase the rate of weight gain in growing beef steers and heifers in a dry lot setting. Safety Note: This