INDICATIONS FOR USE: Synovex Choice is recommended for increased rate of weight gain in steers fed in confinement for slaughter. Do not use in veal calves. Effectiveness and animal safety in veal calves have not been established. Synovex Choice (trenbolone acetate and estradiol benzoate) is a growth promoting implant containing 100 mg of trenbolone acetate and 14 mg of estradiol benzoate. Each implant consists of 4 pellets. Ten implants are provided in each cartridge. NOTE: Studies have demonstrated that the administration of Synovex Choice can result in decreased marbling scores when compared to non-implanted steers.