Rendimentos dos componentes extra carcaça de cordeiros mestiços Lacaune alimentados com gordura protegida

Abstract

The objective was to evaluate the effect of inclusion levels of protected fat in the diet of lambs on the income of extra housing components. The experiment was conducted at the Federal Technological University of Paraná – Dois Vizinhos campus with 28 x Texel lambs Lacaune. The animals were randomly allocated to four treatments (T0%; T2%; T4%; T6%) as protected fat level (GP) added to the diet, given daily, allowing 10% remains. The proportion of the diet was 80% concentrate and 20% roughage, water and mineral salt at will. After reaching preset weight of 35 Kg they were intended for slaughter for further evaluation of the effect of diet on the development of additional housing components. Data were subjected to analysis of variance at 5% probability. The variables fallen, spleen and kidneys + perirenal fat present difference (P <0.05) according to the level of inclusion of dietary fat protected. The same was not observed for the variables, blood, empty gastro tract, respiratory system, reproductive system, liver, heart and omental fat, which showed no difference (P >0.05). Based on these results, the protected fat inclusion level provided increased fat in the kidneys.