Question: how much mga to feed heifers?
Answer: MGA 500 Type A Medicated Article Heifers Fed in Confinement for Slaughter: MGA 500 (melengestrol acetate Type A liquid medicated article) should be thoroughly mixed in liquid Type C medicated feed which must be fed at 0.5 to 2.0 pounds per head daily to provide 0.25 to 0.5 mg of melengestrol acetate per head per day.