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Nutritional evaluation of integral cassava root silages for growing pigs

机译：木薯块根青贮饲料对生猪的营养评价

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The experiment aimed at determining the nutritional value of integral cassava root silages with yogurt as inoculant or wastewater (manipueira) by liquid addition ensiling process. Eighteen crossbred piglets (Large White × Landrace), castrated males with an initial average weight of 50 kg were allocated in metabolism cages throughout 11-day trial duration (6 days for animal's adaptation to the cages and to the experimental diets, and 5 days of urine and faeces collection). The experimental design was a randomized block arrangement with 3 treatments and 6 replicates: basal diet (100%); mixture composed of 75% basal diet and 25% integral cassava root silage with yogurt as inoculant; a mixture composed of 75% of basal diet and 25% integral cassava root silage with wastewater. The silages with wastewater and yogurt presented the following values of apparent digestibility of dry matter 89.96% and 90.01%, apparent digestibility of crude protein of 60.67% and 66.43%, apparent digestibility of gross energy of 90.43% and 91.48%, gross energy metabolizability coefficients of 87.88% and 88.93%, digestible energy values of 3,705 and 3,783 kcal/kg on a dry matter (DM) basis, and metabolizable energy values of 3,600 and 3,676 kcal/kg DM, respectively. The results have demonstrated that integral cassava root silages with wastewater or yogurt have a high nutritional value and can be used as an alternative energy source in growing pig's diets.
机译：该实验旨在通过加液包封法测定酸奶作为孕育剂或废水（manipueira）对木薯根青贮饲料的营养价值。在整个11天的试验期间（代谢动物适应笼子和实验饮食的6天和5天的初始天数），将18只杂种仔猪（大白×色雷斯），cast割的雄性最初平均体重为50 kg的cast割雄性分配到代谢笼中。尿液和粪便收集）。实验设计是采用3种治疗和6次重复的随机区组安排：基础饮食（100％）；由75％的基础饮食和25％的木薯根青贮饲料与酸奶作为孕育剂的混合物;由75％的基础饮食和25％的木薯根青贮饲料与废水组成的混合物。含青贮废水和酸奶的干物质表观消化率分别为89.96％和90.01％，粗蛋白表观消化率分别为60.67％和66.43％，总能量表观消化率分别为90.43％和91.48％，总能量代谢系数分别以干物质（DM）为基准分别为87.88％和88.93％，3,705和3,783 kcal / kg的可消化能量值以及3,600和3,676 kcal / kg DM的可代谢能量值。结果表明，木薯根青贮饲料与废水或酸奶一起食用具有很高的营养价值，可以用作猪日粮中的替代能源。

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