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Carvalho et al., 2009. Ciência Anim. Bras., 10 (3): 689-697

Document reference 
Carvalho, G. G. P. de; Pires, A. J. V. ; Garcia, R. ; Veloso, C. M. ; Silva, R. R. ; Mendes, F. B. L. ; Pinheiro, A. A. ; Souza, D. R. de, 2009. In situ degradability of dry matter, crude protein and fibrous fraction of concentrate and agroindustrial by-products. Ciência Anim. Bras., 10 (3): 689-697
Alternative title 

Degradabilidade in situ da matéria seca, proteína bruta e fração fibrosa de concentrados e subprodutos agroindustriais

Abstract 

The objective of the experiment was to evaluate the dry matter (DM), crude protein (CP), neutral detergent fibre (NDF) and acid detergent fibre (ADF) ruminal degradability of corn (Zea mays), soyabean meal (Glicyne max), palm kernel cake (Elaeis guineensis) and cocoa meal (Theobroma cacao). Samples of each feed were incubated in the rumen of three steers for 0; 3; 6; 12; 24 and 48 h. The DM, CP, NDF and ADF effective degradabilities for a passage rate of 5%/h were relatively low (<60%), except for soyabean meal CP (>65%). Soyabean meal showed the highest degradation coefficients for DM and CP as so for cellular wall components, followed by corn, palm kernel cake and cocoa meal. Cocoa meal showed the lowest ruminal degradation rates.

Citation key 
Carvalho et al., 2009
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