Nutritional evaluation and ruminal degradability of lines of forage sorghum (Sorghum sp.).
DOI:
https://doi.org/10.15517/am.v16i2.11874Keywords:
Forages, animal nutrition, ruminal degradability, Sorghum sp., pastures.Abstract
The experiment
was conducted at the Experimental Station “Alfredo Volio
Mata” of the University of Costa Rica during the rainy season
(May to November) of 2004, with the purpose of obtaining
comparative nutritional parameters of fifteen lines of forage
sorghum. The materials used were 13 lines of Sorghum
bicolor supplied by the International Center for Tropical
Agriculture (CIAT), and 2 lines of Sorghum almum. Yield
production, bromatologic composition and ruminal
degradability of these lines were measured. The following
results were obtained: CIAT 638 showed the highest dry
mater production but the lowest crude protein levels; the
materials CIAT 613 and CIAT 645 showed the highest
degradation rate, while the lines ATENAS, CIAT 897, CIAT
638 y UCR-EEAVM showed the highest crude protein levels
and good digestibility of the dry matter.
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