The effect of ephedrine at 0 (E0C0, n = 10), 8 (E8C0, n = 10) and 10 (E10C0, n = 10) mg per kg metabolic body weight or mixture of ephedrine/caffeine, at doses of 8 mg ephedrine/80 mg caffeine (E8C80, n = 10), or 10 mg ephedrine/100 mg caffeine (E10C100, n = 7), per kg metabolic body weight on body composition of feedlot Mehraban ram lambs (8-month-old) was studied. The lambs were fed for 95 da...