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ABSTRACfThe carcass composition of 38 Friesian bull calves fed exclusively on reconstituted spray-dried whole-milk powder supplemented with iron, copper, and magnesium, and averaging 90 kg in hot carcass weight, was studied. The calves came from five nutritional treatments. There were no differences between treatments in carcass weight or composition. The carcasses averaged 61.3% salable meat, 26.4% bone, 11.6% fat trim and waste, and 0.7% kidneys.