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当前位置: 首页 > 文章 > Nutritional evaluation of integral cassava root silages for growing pigs 动物营养(英文) 2016,2 (3)
Position: Home > Articles > Nutritional evaluation of integral cassava root silages for growing pigs Animal Nutrition 2016,2 (3)

Nutritional evaluation of integral cassava root silages for growing pigs

作  者：
Diego D. Araújo;Alessandro Borges Amorim;Mayra Anton Dib Saleh;Felipe Curcelli;Pedro L. Perdigón;Sílvio José Bicudo;Dirlei Antônio Bert
单  位：
Department of Animal Production, Faculty of Animal Science and Veterinary Medicine, UNESP – São Paulo State University, Botucatu 18618-000, Brazil;Institute of Agricultural Sciences and Technologies, Federal University of Mato Grosso, Rondonópolis 78735-902, Brazil;Department of Animal Production, Faculty of Animal Science and Veterinary Medicine, UNESP – São Paulo State University, Botucatu 18618-000, Brazi;Instituto de Ciencia Animal (ICA), San José de las Lajas 32700, Cuba;Department of Crop Science, Faculty of Agricultural Sciences, UNESP – São Paulo State University, Botucatu 18618-000, Brazil
关键词：
Alternative feed;Digestibility;Energy sources;Ensiling;Swin
摘  要：
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.

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