NDLI: Seleção de genótipos de batata-doce para a produção de silagem de ramas.

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Seleção de genótipos de batata-doce para a produção de silagem de ramas.

Content Provider	Semantic Scholar
Author	Dornas, Marcus Flávius Silva
Copyright Year	2012
Abstract	DORNAS, Marcus Flávius Silva. Selection of sweet potato genotypes for vine's silage production, 2012. 51p. (Dissertation – Master Degree in Vegetal Production) Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil, 2012. The objective of this work was to select sweet potato genotypes with potential for use in animal feed. The vine's yield and wilting effect on the chemical composition and fermentative capacity of the sweet potatoes' vines have been evaluated, using a 7x2 factorial arrangement (genotypes 'X' vines wilted or not), a randomized block design with four replications. Genotypes differed on the SMP and DM, NDF, ADF, CEL, LIG, CS, NIDA and CIN contents. Wilting promoted an increase in DM, CP, NIDA and fibrous components and reduction in levels of soluble carbohydrates, making wilted vines of poorer quality. There was not observed effect of wilting on the fermentative ability of in natura or wilted vines. Genotypes BD-25, BD-08 and BD-23, had yields higher than 7.0 t ha -1, while the genotype BD-43, showed low levels of ADF. Besides these features, There have been analyzed the chemical-bromatological composition of the microbial population of sweet potato silage inoculated or not by means of a factorial arrangement 5x2 (genotype 'x' with or without inoculation). The silages with different genotypes differ in ADF, HEM, and pH values. The use of inoculum did not change the microbial population and the characteristics or nutritive value of silages, except for the pH value. In general, the silage produced by all genotypes has good nutritional characteristics, however, the silage genotype BD-43 stood out, showing low levels of ADF.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://acervo.ufvjm.edu.br/jspui/bitstream/1/585/1/marcus_flavius_silva_dornas.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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