2006
DOI: 10.1590/s1516-35982006000700039
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Digestibilidade e balanço de nitrogênio de rações com diferentes teores de proteína degradável no rúmen e milho moído como fonte de amido em ovinos

Abstract: RESUMO -O objetivo neste trabalho foi avaliar a digestibilidade aparente de rações com diferentes teores de proteína degradável no rúmen (PDR) e fonte de amido de baixa degradabilidade ruminal (milho moído) em ovinos. Utilizaram-se quatro ovinos castrados, sem raça definida (SRD), com peso vivo médio de 38,5 kg, em um delineamento experimental quadrado latino 4 x 4. As quatro rações experimentais utilizadas foram compostas de 75% de volumoso (feno de aveia) e 25% de concentrado à base de milho moído (MM), fare… Show more

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Cited by 30 publications
(36 citation statements)
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“…It has, however, some disadvantages: low crude protein content that requires protein supplementation, and a need for daily cut due to the high concentration of soluble carbohydrates which makes the environment propitious for the development of microorganisms that deteriorate the chopped sugarcane. To overcome the latter disadvantage, alkaline treatment of sugarcane has been promoted using calcium oxide (CaO), which can also improve the nutritive value of sugarcane by increasing the digestibility of fibers (ZEOULA et al, 2006;MORENO et al, 2010;OLIVEIRA, 2010;BERCHIELLI;OLIVEIRA, 2011;CARVALHO et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…It has, however, some disadvantages: low crude protein content that requires protein supplementation, and a need for daily cut due to the high concentration of soluble carbohydrates which makes the environment propitious for the development of microorganisms that deteriorate the chopped sugarcane. To overcome the latter disadvantage, alkaline treatment of sugarcane has been promoted using calcium oxide (CaO), which can also improve the nutritive value of sugarcane by increasing the digestibility of fibers (ZEOULA et al, 2006;MORENO et al, 2010;OLIVEIRA, 2010;BERCHIELLI;OLIVEIRA, 2011;CARVALHO et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…14.69 and 18.25g day -1 found by MORENO et al (2010) and CARVALHO et al (2010), respectively. Moreover, the N excreted in the urine was lower (2.56g day -1 ) compared to 11.30, 6.37 and 12.28g day -1 found by ZEOULA et al (2006), MORENO et al (2010) and CARVALHO et al (2010).…”
Section: --------------------------------------------Treatment-------mentioning
confidence: 61%
“…The soybean meal as source of protein N and urea as source of non-protein N, besides the use of sugarcane as source of readily fermentable carbohydrate in the rumen might have influenced the synchronization with the N released, increasing the N retained (NB) (29,46g day -1 and 2,78g kg -0.75 day -1 ) by a higher N recycling. According to ZEOULA et al (2006) this available energy generated a 21% Table 5 -Nitrogen (N) intake, N excreted in the feces, N excreted in the urine and N balance (NB), for lambs fed in natura sugarcane or sugarcane hydrolyzed under aerobic or anaerobic conditions. MORENO et al (2010) who reported 8.55g day -1 and 0.67g kg -0.75 day -1 .…”
Section: --------------------------------------------Treatment-------mentioning
confidence: 99%
“…Da mesma forma, em trabalhos realizados com ovinos, em consumo restrito, não foram observadas diferenças nos consumos, quando alimentados com dietas contendo teores crescentes de PDR e, como concentrado energético, a farinha de varredura de mandioca (Prado et al, 2004) ou o milho moído (Zeoula et al, 2006 Fregadolli et al (2001), que, ao avaliarem o efeito de fontes de proteína e de amido com altas e baixas degradabilidade ruminal, também não observaram efeito das fontes de proteína sobre os coeficientes de digestibilidade ruminal da MS e MO (54,1 e 63,1% do total digerido respectivamente). Entretanto, observaram, para os CDR da PB, valores negativos (-12,5 a -22,6% do total ingerido), que refletiram o inadequado suprimento de nitrogênio dietético.…”
Section: Resultsunclassified