KAUR R,GARCIA S C,FULKERSON W J,et al.Degradation kinetics of leaves, petioles and stems of forage rape (Brassica napus) as affected by maturity[J].Animal Feed Science and Technology,2011,168(3/4):165-178.
Oslash;RSKOV E R,MCDONALD I.The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage[J].The Journal of Agricultural Science,1979,92:499-503.
[9]
SAS Institute Inc. SAS OnlineDoc 9.1.3[R].Cary (NC):SAS Institute Inc.,2004.
[10]
COBLENTZ W K,ABDELGADIR I E O,COCHRAN R C,et al.Degradability of forage proteins by in situ and in vitro enzymatic methods[J].Journal of Dairy Science,1999,82(2):343-354.
GETACHEW G,ROBINSON P H,DEPETERS E J,et al.Relationships between chemical composition, dry matter degradation and in vitro gas production of several ruminant feeds[J].Animal Feed Science and Technology,2004,111(1/2/3/4):57-71.