4Wang C, Liu Q, Yang W Z, et al. Etfects of malic acid on feed intake, milk yield, milk components and metabolites in early lactation Holstein dairy cows [J]. Livest Sci, 2009. 124:182-188.
5Foley P A, Kenny D A, Lovett D K, et al. Effect of DL -malic acid stlpplementation on feed intake, methane emissions, and performance of lactating dairy cows at pasture [J]. J Dairy Sci, 20119,92 (7):3258-3264.
6Aghsaghali A M, Sis N M. Nutritive Value of Some Agro- Industrial By-products for Ruminants - A Review [J]. World Journal of Zoology, 2008,3 (2):40 -46.
7杜崇岷.酵母糖蜜在奶牛饲养中的应甩研究[D].哈尔滨:东北农业大学,2010.
8Broderick G A, Ikadloff W J. Effect of Molasses Supplementation on the Production of Lactating Dairy Cows Fed Diets Based oll Alfalfa and Corn Silage [J]. J Dairy Sci, 2004,87:2997-3009.
9Montoro C, Ipharraguerre I R, Bach A. Blocking opioid receptors alters short -term feed intake and oro -sensorial preferences in weaned calves [J]. J Dairy Sci, 2012,95(5):2531-2539.
10Montoro C, Ipharraguerre I, Bach A. Effect of flavoring a starter in a same manner as a milk replacer on intake and performance of calves [J]. Atom Feed Sci Technol, 2011,164(1-2):130-134.