MAURICIO R M,MOULD F L,DHANOA M S,et al.A semi-automated in vitro gas production technique for ruminant feedstuff evaluation[J].Animal Feed Science and Technology,1999,79:321-330.
[6]
THEODOROU M K,WILLIAMS B A,DHANOA M S,et al.A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feed[J].Animal Feed Science and Technology,1994,48:185-197.
[7]
MENKE K H, STEINGASS H.Estimation of the energetic feed value obtained from chemical analysis and in vitro gas production using rumen fluid[J].Animal Research Development,1988,28:7-55.
LEES J A,OLDHAM J D,HARESIGN W,et al.The effect of pattern of rumen fermentation on the response by dairy cows to dietary protein concentration[J].British Journal of Nutrition,1990,63:177-186.
LOVETT D K,SHALLOO L,DILLON P,et al.A systems approach to quantify greenhouse gas fluxes from pastoral dairy production as affected by management regime[J].Agricultural Systems,2006,88:156-179.
[14]
SEARLE L.The berthelot or indophenol reaction and its use in the analytical chemistry of nitrogen:a review[J].Analyst,1984,109:549-568.