Publication Date
1989
Description
The amount of dietary protein which reach the small intestine depends on the crude protein content of the feed and the degradability of crude protein in the rumen. The second characteristic is generally in France (Verite et al., 1987) estimated from in sacco degradation of the feed protein in the rumen. Simpler and less costly laboratory methods have been developed to predict protein degradability : - Chemical methods involving protein solubility in solvents of differents types, pH and extraction temperatures (Pichard and Van Soest, 1977; Crawford et al., 1978). - Enzymatic methods. Although promising, these methods are at present studied more to determine the protein digestibility of forages according to their mode of conservation (Siddons et al., 1984) rather than to predict protein degradability in the rumen. The study presented here compared differents methods for predicting in sacco degradability of hay protein.
Citation
Aufrere, Jocelyne; Michalet-Doreau, Brigitte; Graviou, Dominique; and Verite, R, "Predicting Degradability of Hay Protein by Chemical or Enzymatic Methods" (2025). IGC Proceedings (1989-2023). 66.
https://uknowledge.uky.edu/igc/1989/session7/66
Included in
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Predicting Degradability of Hay Protein by Chemical or Enzymatic Methods
The amount of dietary protein which reach the small intestine depends on the crude protein content of the feed and the degradability of crude protein in the rumen. The second characteristic is generally in France (Verite et al., 1987) estimated from in sacco degradation of the feed protein in the rumen. Simpler and less costly laboratory methods have been developed to predict protein degradability : - Chemical methods involving protein solubility in solvents of differents types, pH and extraction temperatures (Pichard and Van Soest, 1977; Crawford et al., 1978). - Enzymatic methods. Although promising, these methods are at present studied more to determine the protein digestibility of forages according to their mode of conservation (Siddons et al., 1984) rather than to predict protein degradability in the rumen. The study presented here compared differents methods for predicting in sacco degradability of hay protein.
