1Sauvant D.Consequences digestives et zootechniques des variations de la vitesse de la digestion de l'amidon chezles ruminants.INRA Prod Anim,1999,12:49-60.
3Wallace R J,Ningrat R,Becker K,et al.'Rumen up':new plants and plant extracts to decrease methane and nitrogenous emissions from ruminants and to alleviate nutritional stress.J Dairy Sci,2005,88(Suppl.1):340.
5Khazaal K A,Parissi Z,Tsiouvaras C,et al.Assessment of pheno lis-related ant inutritive levelsusing the In Vitro gas production technique:a comparison between different types of polyvinylpo lyrro lidone or polyethylene glycol[J].J Sci Food A gri,1996,71:405-414.
7McIntosh F M,Williams P,Losa R,et al.Effects of essential oils on ruminal microorganisms and their protein metabolism.Appl Environ Microbiol,2003,69,5011-5014.
8Duval S,McEwan N,Graham R,et al.Effect of a specific blend of essential oils on the colonization of starch-rich substrates by rumen microorganisms.J Dairy Sci,1005,88 (Suppl.1):340.
9Wallace R J.Antimicrobial properties of plant secondary metabolites.Proc Nutr Soc,2005,63:621-629.
10Beauchemin K E,Rode L M,Maekawa M.Evaluation of non-starch polysaccharide feed enzyme in dairy cow diets.J Dairy Sci,2000,83:543-553.
4[8]Birbal Singh,Tejk Bhat,Bhupinder Singh.Potential therapeutic applications of some anti-nutriti onal plant secondary metabolites[J].J.Agric.Food Chem.,2003,51:5579-5597.
5[9]Haslam E.Plant polyphenols and chemical defense a reappraisal[J].J.Chem.Ecol.,1988,14(10):1789-1805
6[10]Provenza F D.Post-ingestive feedback as an elementary determinant of food preference and intake in ruminants[J].J.Range.Manage,1995A8:2-17.
7[11]Rumbaugh M D.Breeding bloat-safe cultivars of bloat causing legumes[J].Proceedings of the Trilateral Workshop,1985:238-245.
8[12]Bennett S E.Tanninc acid as a repellent and toxicant to alfalfa weevil larvae[J].J.Econ.Ent.,1965(58):372-373.
9[13]Barry T N,McNabb WC.The implication of condensed tannins on the nutritive value of temperate forages fed to ruminants[J].Brit.J.Nutr.,1999,81(4):263-272.
10[14]Van-Soest P J,Mcdowell R E.Predicting the digestibility of tropical browse[J].J.Anim.Sci.,1987,65:339.
