RALGRO increases rate of weight gain of suckling beef calves. It also increases the rate of weight gain and improves feed conversion of weaned beef calves, growing beef cattle, feedlot steers, and feedlot heifers. The active ingredient zeranol stimulates animal's own natural growth system. Each implant contains three pellets of 12 mg zeranol totaling 36mg per implant. There are 24 Ralgro(R)implants provided in a cartridge. | Merck RALGRO Implants