For increased rate of weight gain in suckling beef calves more than 45 days of age and up to 400 pounds of body weight. Also for improvement in rate of weight gain in steers weighing greater than 400 pounds and fed in confinement for slaughter when used as part of a re-implant program in which an initial SYNOVEX® C implant is followed at approximately 70 days by SYNOVEX® S.
! View manufacturer's label detailsOne implant (four pellets) is administered to each calf by subcutaneous implantation in the middle third of the ear.
100 mg progesterone/10 mg estradiol benzoate