2Moore J E and W E Kunkle. Evaluation of equations for estimating voluntary intake of forages and forage-based diets [J]. Animal Sci,1999, (Suppl 1): 204.
3Moore J E and S W Coleman, Forage intake, digestibility, NDF and ADF: How well are they related? [A] In: T Tenrill. Proc Am For Grsld Coun [M]. Georgetown TX: Springdale AR AFGC, 2001.238-242.
4Jo,hne Moore and Daniel J. Undersander, Relative Forage Quality:An Alternative to Relative Feed Value and Quality Index [A]. Proceedings 13th Annual Florida Ruminant Nutrition Symposium [C],2002. 16-32.
5Oba M and M S Allen. Evaluation of the importance of the digestibility of neutral detergent fiber from forage: effects on dry matter intake and milk yield of dairy cows [J]. Dairy Sci, 1999, 82: 589-596.
7Sauvant D,Giger S.Straw digestibility calculation and digestive interactions[A].In:M.Chenost and P.Reiniger (Editors),Evaluation of Straws in Ruminant Feeding[M].Elsevier,Barking,UK,1989,47-61.
8Ewing P.V,Wells C.A.The associative digestibility of corn silage,cottonseed meal and starch in steer rations[J].Georgia Agr.Exp.Sta.Bull.1915,115:271.
9Annison E.F,Lewis D.Metabolism in the Rumen[M].Methuen and Co.,London.1959.
