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Cinética ruminal de dietas contendo farelo de mamona destoxificado / Ruminal kinetics of diets containing detoxicated castor bean meal

Menezes, D. R; Costa, R. G; Araújo, G. G. L; Pereira, L. G. R; Nunes, A. C. B; Henrique, L. T; Rodrigues, R. T. S.
Arq. bras. med. vet. zootec; 67(2): 636-641, Mar-Apr/2015. tab
Artigo em Português | LILACS | ID: biblio-1100009

Resumo

The kinetics of gas production and in vitro ruminal degradation of diets contained replacement of soybean meal (SBM) by detoxicated castorbean meal (DCBM) (0, 15, 30 and 45% of substitution) were evaluated in this study. Values of gas production of non-fibrous carbohydrates (Vf1), fibrous carbohydrates (Vf2) and total carbohydrates (V) showed quadratic behavior, and by observation of equations can be obtained inclusions of 25% the V and Vf1 obtained maximum values of 174.7 and 237.8 ml gas / g DM, respectively. The potential degradability (PD) and effective degradability (ED) of dry matter showed quadratic behavior and by observation of equations can be perceive that up to 18.0% there was an increase in the values of PD and ED that obtained maximum values of 93.7% and 55.7%, respectively. The replacement of SBM by DCBM from 15 to 30% increased the kinetics of gas production and rumen degradation.(AU)
Biblioteca responsável: BR68.1