Synovex C is a livestock health product designed as a subcutaneous implant for calves (steers and heifers). Each implant contains 100 mg progesterone and 10 mg estradiol benzoate, providing a consistent, labeled hormone formulation for cattle operations. Packaged as a 1 x 100-implant box, it supports efficient on-farm use and inventory management. DIN 00618675; available without a prescription in Canada, with prescription required in Quebec.