composição química, vitreosidade e digestibilidade de diferentes híbridos de milho para suínos chemical composition, vitreousity endosperm and digestibility of different hybrids of corn for growing pigs
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2007
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Abstract
Objetivou-se avaliar a composição química, vitreosidade e valores nutricionais de diferentes híbridos de milho através de análises laboratoriais e de um ensaio de metabolismo com suínos em crescimento. Foram utilizados 24 suínos em fase de crescimento (35,6 Kg ±± 3,05 kg de PV) machos castrados mestiços (LD x LW), os quais foram mantidos em gaiolas de metabolismo e distribuídos em um delineamento inteiramente ao acaso totalizando 24 parcelas. Os tratamentos experimentais consistiram de 6 rações com os seguintes híbridos de milho: milho óleo (Móleo), milho QPM (MQPM), milho dentado (Mdent), milho semidentado (Msemi) e dois milhos duros (Mdur1) e (Mdur2). Os valores obtidos de vitreosidade, coeficiente de digestibilidade da proteína bruta (CDPB) e energia digestível (ED) para Móleo, MQPM, Mdent, Msemi, Mdur1 e Mdur2 foram 78,5%; 71,7%; 57,2%; 68,2%; 75,9%; 82,8%; 81,68%; 80,14%; 82,35%; 69,71%; 76,98%; 75,61%; 3680; 3426; 3597; 3441; 3340 e 3469 Kcal/Kg, respectivamente. Foram observadas diferenças significativas (P<0,05) para os valores de vitreosidade, mostrando que os milhos de textura dura apresentam maior vitreosidade em relação ao semidentado e ao dentado. Houve diferenças significativas no CDMS, CDPB e ED entre os milhos estudados (P<0,05), mostrando que o milho óleo (Móleo) e o dentado (Mdent) foram superiores aos demais. Em relação ao nitrogênio retido (%NR), houve diferenças significativas (P<0,05) entre os milhos estudados. Para esta variável os milhos dentado, QPM e alto óleo mostraram-se superiores aos milhos semidentado e os duros. Conclui-se que os milhos dentado, Móleo e MQPM foram superiores aos demais.
This study was conducted in order to evaluate the chemical composition, vitreousity endosperm and nutritional values of different hybrids of corn through of chemical analysis and a metabolism assay with growing pigs. The metabolism assay were conducted by utilizing 24 crossbred (LD x.LW) barrows with 35,6Kg+- 3,05Kg keept in metabolism cages . The experimental treatments were formed by six (6) diets formulated with hybrids of corn: "corn oil", corn QPM, corn-dent, semi-dent, and two corns-flints. The values obtained Vitreousity, Digestibility Coefficients of the Crude Protein, and Energy Digestible for corns high oil, QPM, dent, semi-dent, hard 1 and hard 2 were 78,5%; 71,7%; 57,2%; 68,2%; 75,9%; 82,8%; 80,14%; 82,35%; 69,71%; 76,98%; 75,61%; 3680, 3426; 3597; 3441; 3340 and 3469 Kcal/Kg, respectively. The data shown significant differences (P<0,005) for the values of vitreousity (P<0,005) among the corns studied. Corns varieties with hard texture show a higher vitreousity as compared with those semi-dent and corn dent varieties. There were significant differences in Digestibility Coefficients of Dry Matter, Digestibility Coefficients of Protein Crude and Energy Digestible among the corn varieties studied (P<0,05). The "corn oil" and the corn dent varieties shown higher digestibility values than others. The Nitrogen Retention showed significant differences (P<0,05) among the corns studied. The corns varieties dent, QPM and "corn oil" showed higher digestibility as compared with the semi-dent and corns-flints varieties. In conclusion the corn-dent, "corn oil"and corn QPM varieties showed better nutritional values than others varieties studied.
This study was conducted in order to evaluate the chemical composition, vitreousity endosperm and nutritional values of different hybrids of corn through of chemical analysis and a metabolism assay with growing pigs. The metabolism assay were conducted by utilizing 24 crossbred (LD x.LW) barrows with 35,6Kg+- 3,05Kg keept in metabolism cages . The experimental treatments were formed by six (6) diets formulated with hybrids of corn: "corn oil", corn QPM, corn-dent, semi-dent, and two corns-flints. The values obtained Vitreousity, Digestibility Coefficients of the Crude Protein, and Energy Digestible for corns high oil, QPM, dent, semi-dent, hard 1 and hard 2 were 78,5%; 71,7%; 57,2%; 68,2%; 75,9%; 82,8%; 80,14%; 82,35%; 69,71%; 76,98%; 75,61%; 3680, 3426; 3597; 3441; 3340 and 3469 Kcal/Kg, respectively. The data shown significant differences (P<0,005) for the values of vitreousity (P<0,005) among the corns studied. Corns varieties with hard texture show a higher vitreousity as compared with those semi-dent and corn dent varieties. There were significant differences in Digestibility Coefficients of Dry Matter, Digestibility Coefficients of Protein Crude and Energy Digestible among the corn varieties studied (P<0,05). The "corn oil" and the corn dent varieties shown higher digestibility values than others. The Nitrogen Retention showed significant differences (P<0,05) among the corns studied. The corns varieties dent, QPM and "corn oil" showed higher digestibility as compared with the semi-dent and corns-flints varieties. In conclusion the corn-dent, "corn oil"and corn QPM varieties showed better nutritional values than others varieties studied.
| Reference Key |
cantarelli2007cinciacomposio
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|---|---|
| Authors | ;Vinícius de Souza Cantarelli;Elias Tadeu Fialho;Raimundo Vicente de Sousa;Rilke Tadeu Fonseca de Freitas;José Augusto de Freitas Lima |
| Journal | information and software technology |
| Year | 2007 |
| DOI |
10.1590/S1413-70542007000300036
|
| URL | |
| Keywords | Keywords not found |
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