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Revista Brasileira de Zootecnia

On-line version ISSN 1806-9290


OLIVEIRA, Leandro Barbosa de et al. Losses and nutritional value of corn, Sudan sorghum, forage sorghum and sunflower silages. R. Bras. Zootec. [online]. 2010, vol.39, n.1, pp.61-67. ISSN 1806-9290.

The objective of this study was to assess the losses and nutritional value of silages of different forage crops (corn, Sudan sorghum, forage sorghum and sunflower) ensiled at the ideal time for each crop. A randomized complete design was used, with four forage crops and five replications. The forages were ensiled in PVC silos, 50 cm high and 10 cm in diameter, equipped with a Bunsen valve, that were stored for 60 days. The losses through gases and effluent were assessed for difference in weight before and after ensilaging. The losses by gases were relatively small compared with the losses by effluent. The corn silage stood out because it presented smaller losses, while the sunflower and Sudan sorghum presented greater losses by effluent. The Sudan sorghum silage presents the lowest nutritional value, due to the greater contents of the fibrous fractions, while the corn silage stand out positively because of its nutritional value.

Keywords : conservation; effluent; ensilage; forage.

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