Ralgro® is a brand of zeranol implants from Merck Animal Health. Zeranol is an anabolic agent, which stimulates weight gain and improves feed efficiency in pasture and feedyard cattle.
• For increased rate of weight gain and for improved feed conversion of weaned beef calves, growing beef cattle, feedlot steers and feedlot heifers • For increased rate of weight gain of suckling beef calves. Can increase weaning weight by as much as 20-35 lbs in calves