The objective was to carry out lamb carcass evaluation in a confinement system fed with 100% concentrated diet and diet with the inclusion of residual oil, in order to identify which diet provides the best performance. Fifteen male sheep, not castrated, crossbred from Dorper × Santa Inês, aged six months, confined in collective pens for 50 days were used. The treatments were as follows: Control Diet (TC) - Tift...