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Published online by Cambridge University Press: 20 November 2017
The amount of rumen escape protein is commonly determined with the nylon bag technique. However, there is also an in vitro technique described using a protease of Streptomyces griseus (Aufrère et al., 1991; Cone et al., 1996), allowing systematical analysis of protein quality in a large number of samples. The aim of this study was to identify the influences of growing conditions on content of rumen escape protein in grass and grass silage and to investigate the relationships between rumen escape protein determined in vitro and in situ and chemical composition.