Características bromatológicas e perfil fermentativo da silagem de milheto forrageiro (pennisetun glaucum) aditivado com casca de soja
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2015-10-13
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Universidade Federal de Goiás
Resumo
The ensiling process is a much used alternative in animal husbandry systems,
consisting in the preservation of moist forage, fresh-cut or pre-dried, with high
nutritional value, to be administered in times of food shortages. Brazil is
characterized by a strong seasonality and basically has two distinct seasons in
some regions of the country, one high and one low rainfall. The tropical grasses
used in Brazilian pastures lose their quality and produce less in times of drought
and low temperatures. All these factors justify the use of silage technique. The
objective of this study is to evaluate four different levels of inclusion of soybean
hulls in millet forage silage in order to determine the nutritional increments that it
provided, in addition to analyzing the fermentation process associated losses of
the silage process. The bromotalógica composition was positively affected by
the inclusion of soybean hulls, with .lineares increases in DM and CP levels.
The NDF also an increase in the levels. The inclusion of soybean hulls in silage
millet reduced losses by gases and effluents, keeping stable the recovery of dry
matter. The ammonia levels were reduced with the addition of the additive. Soy
hulls did not affect the lactic acid content, acetic and butyric within acceptable
Nives no statistical difference. The work also revealed a slight decrease in
propionic acid. The titratable acidity and pH levels of silage did not differ.
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SILVA, R. S. Características bromatológicas e perfil fermentativo da silagem de milheto forrageiro (pennisetun glaucum) aditivado com casca de soja. 2015. 61 f. Dissertação (Mestrado em Zootecnia) - Universidade Federal de Goiás, Goiânia, 2015.