SILVA A T,？RSKOV E R.Fibre degradation in the rumens of animals receiving hay,untreated or ammonia-treated straw[J].Animal Feed Science and Technology,1988,19(3):277-287.
[2]
HADDAL S G.Associative effects of supplementing barley straw diets with alfalfa hay on rumen environment and nutrient intake and digestibility for ewes[J].Animal Feed Science and Technology,2000,87(3/4):163-171.
[3]
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(4):321-330.
BRODERICK G A,RUSSELL J B.Effect of peptides and amino acids on efficiency of rumen bacterial protein synthesis in continuous culture[J].Journal of Dairy Science,1982,65(2):226-234.
SATTER L D,SUTTIE J W,RAUMGARDT B R.Dietary induced changes in volatile fatty acid formation from α-cellulose-C14 and hemicellulose-C14[J].Journal of Dairy Science,1964,47(12):1365-1370.
DEPETERS E J,BATH D L.Canola meal versus cottonseed meal as the protein supplement in dairy diets[J].Journal of Dairy Science,1986,69(1):148-154.
[13]
STROBEL H J,RUSSELL J B.Effect of pH and energy spilling on bacterial protein synthesis by carbohydrate-limited cultures of mixed rumen bacteria[J].Journal of Dairy Science,1986,69(11):2941-2947.
[14]
冯仰廉.反刍动物营养学[M].北京:科学出版社,2004:136-138.
[15]
BEEVER D E,MOULD F L.Forage evaluation for efficient ruminant livestock production[M]//GICENS D I,OWEN E,AXFORD R R E,et al.Forage evaluation in ruminant nutrition.Wallingford:CABI Publishing,2000:15-42.
[16]
SCHOFIELD P.Gas production methods[M]//D''MELLO J P F.Farm animal metabolism and nutrition.Wallingford:CAB International,2000:189-213.
