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Valor nutricional de híbridos de sorgo com capim-sudão em comparação ao de outros volumosos utilizados no período de baixa disponibilidade das pastagens / Nutritional value of sorghum-sudangrass hybrids compared to other roughage sources used in the period of low availability of pastures

Tomich, T. R; Tomich, R. G. P; Gonçalves, L. C; Borges, I; Rodrigues, J. A. S.
Arq. bras. med. vet. zootec; 58(6): 1249-1252, dez. 2006.
Artigo em Português | VETINDEX | ID: vti-7347

Resumo

The objective of this study was to compare the nutritional value of sorghum-sudangrass hybrids to roughages collected in differed pastures, reserves of forage for using in cutting regime and conserved forage as hays or silages. The sorghum-sudangrass hybrids AG2501C and BRS800 showed similar bromatological composition and in vitro dry matter digestibility (IVDMD). Compared to other roughages, theses hybrids presented a higher protein level and intermediary values of cell wall contents. The coefficients of IVDMD observed for sorghum-sudangrass hybrids were not statistically different to the results of corn silage, elephantgrass and sugarcane managed in cutting regime. However, IVDMD of those hybrids was significantly higher than of coast-cross and tifton 85 hays, sorghum silage and differed pastures of Brachiaria brizantha and signal grass. The results indicated that sorghum-sudangrass hybrids may be used as roughage of high nutritional value during the drought.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1