SAMANTA A K,SINGH K K,DAS M M.Effect of roughage and concentrate ratio on rumen metabolic and dry matter digestibility[J].Indian Veterinary Journal,2008,85:795-796.
[4]
MOULD F L,ORSKOV E R,MANN S O.Associative effect of mixed feeds.l.Effeet of type and level of supplementation and the influence of the rumen fluid pH on cellulolysis in vivo and dry matter digestion of various roughages[J].Animal Feed Science and Technology,1983,10:15-30.
YANG W Z,BEAUCHEMIN K A,RODE L M.Barley processing,forage:concentrate,and forage length effects on chewing and digesta passage in lactating cows[J].Journal of Dairy Science,2001,84:2709-2720.
[8]
MAKKAR H P S,SEN S,BLUMMEL M,et al.Effects of fractions containing saponins from Yucca schidigera,Quillaja saponaria,and Acacia auriculoformis on rumen fermentation[J].Journal of Agricultural and Food Chemistry,1998,46:4324-4328.
UEDA K,FERLAY A,CHABROT J.Effect of linseed oil supplementation on ruminal digestion in dairy cows fed diets with different forage:concentrate ratios[J].Journal of Dairy Science,2003,86(12):3999-4007.
GOIRI I,GARCIA-RODRIGUEZ A,OREGUI L M.Effect of chitosans on in vitro rumen digestion and fermentation of maize silage[J].Animal Feed Science and Technology,2009,148(2/3/4):276-287.
[17]
GOIRI I,OREGUI L M,GARCIA-RODRIGUEZ A.Use of chitosans to modulate ruminal fermentation of a 50:50 forage-to-concentrate diet in sheep[J].Journal of Animal Science,2010,88:749-755.
[18]
GOIRI I,GARCIA-RODRIGUEZ A,OREGUI L M.Effect of chitosan on mixed ruminal microorganisms fermentation using the rumen simulation technique(Rusitec)[J].Animal Feed Science and Technology,2009,152:92-102.
[19]
GOIRI I,OREGUI L M,GARCIA-RODRIGUEZ A.Dose-response effects of chitosans on in vitro rumen digestion and fermentation of mixtures differing in forage-to-concentrate ratios[J].Animal Feed Science and Technology,2009,151:215-227.
WALLACE R J,CZERKAWSKI J W,BRECKENRIDGE G.Effect of monensin on the fermentation of basal rations in the rumen simulation technique(Rusitec)[J].British Journal of Nutrition,1981,46:131-148.
[25]
GRAINGER C,BEAUCHEMIN K A.Can enteric methane emissions from ruminants be lowered without lowering their production?[J].Animal Feed Science and Technology,2011,166-167:308-320.
CARRO M D,RANILLA M J,MARTIN-GARTIN A I,et al.Comparison of microbial fermentation of high- and low-forage diets in Rusitec,single-flow continuous-culture fermenters and sheep rumen[J].Animal Science,2009,3(4):527-534.
