digestibilidade aparente de dietas e metabolismo de frangos de corte alimentados com dietas contendo soja integral processada apparent digestibility of the diets and metabolism of broilers fed with diets containing heat processed full-fat soybean
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ID: 197314
2008
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Abstract
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.
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.
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| Reference Key |
carvalho2008cinciadigestibilidade
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|---|---|
| Authors | ;Amanda d’Ávila Carvalho;Irineo Zanella;Cheila Roberta Lehnen;Ines Andretta;Eloiza Lanferdini;Luciano Hauschild;Paulo Alberto Lovatto |
| Journal | Trials |
| Year | 2008 |
| DOI |
10.1590/S0103-84782008000200029
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| URL | |
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