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Foi realizado um experimento para avaliar a digestibilidade aparente de dietas e o metabolismo de frangos de corte alimentados com dietas contendo soja integral (SI) processada a vácuo (SIvac) ou a vapor (SIvap). O delineamento experimental foi inteiramente casualizado, com cinco tratamentos (dieta controle - DC; DC com substituição isométrica de 40% de SIvac ou SIvap; dieta com SIvac e dieta com SIvap). Os tratamentos com substituição isométrica avaliaram a digestibilidade das sojas processadas; os demais, a digestibilidade de dietas contendo ou não soja processada (controle). A ingestão de N foi 23 e 20% menor (P<0,01) para as aves alimentadas com dietas com SIvac ou SIvap em relação ao grupo controle. A excreção, digestibilidade e absorção do N não foram influenciadas (P>0,05) pelas dietas. A excreção de energia foi 19 e 22% menor (P<0,01) para as aves alimentadas com SIvac na dieta em relação ao grupo controle e àquele alimentado com dieta com SIvap. A dieta com SIvac melhorou (P<0,01) a digestibilidade e a metabolização da energia. A energia metabolizável aparente corrigida para retenção de N (EMn) foi 12% superior (P<0,01) à da dieta com SIvap e similar (P<0,01) à da dieta controle. A matéria seca, a proteína e o extrato etéreo digestíveis, as energias metabolizável aparente e EMn foram semelhantes (P>0,05) para a soja integral processada a vácuo ou a vapor. A soja processada a vácuo ou a vapor é uma alternativa ao farelo de soja e ao óleo vegetal em dietas para frangos de corte. An experiment was carried out to evaluate the apparent digestibility of diets and the metabolism of broilers fed diets containing full-fat soybean (FFS) processed by vacuum (FFSvac) or by steam (FFSstm). The experimental design was completely randomized with five treatments (control diet - CD, CD with isometric substitution of 40% FFSvac or FFSstm; diet with FFSvac and diet with FFSstm). The treatments with isometric substitution evaluated the digestibility of processed soybeans; the remains, the digestibility of diets containing either processed soybean or not (control). The N intake was 23 and 20% less (P<0.01) to the broilers fed with diets containing FFSvac or FFSstm than control group. The excretion, digestibility and absorption of N were not influenced (P>0.05) by the diets. The excretion of energy was 19 and 22% less (P<0.01) to the broilers fed with FFSvac in the diet than control group and those fed with FFSstm in the diet. The diet with FFSvac enhanced (P<0.01) the digestibility and the metabolization of energy. The apparent metabolizable energy corrected for N retention (MEn) was 12% higher (P<0.01) to the one fed of diet with FFSstm and similar to control diet (P<0.01). The dry matter, protein and ether extract digestibles, the apparent metabolizable energy and MEn were similar (P>0.05) for full-fat soybean processed by vacuum or by steam. Full-fat soybean processed by vacuum or by steam is an alternative to soybean meal and to the vegetal oil in the diets for broilers

Digestibilidade aparente de dietas e metabolismo de frangos de corte alimentados com dietas contendo soja integral processada