Twenty-nine Comisana male lambs, born in late November 2011,were weaned at 60 days of age. From 60 to 90 days of age, lambs were fed with a concentrate-based diet comprising, on a fresh weight basis,of 25% wheat, 25% wheat bran, 25% barley and 25% faba bean. At 90 days of age, the lambs were weighed (mean ± SD initial weight:19.76 ± 3.84 kg) and were housed indoors in individual pens.