8Antoine Meuter.What vitamin D can do for hyperprolificsows [J].pigprogress,2012,8(28) : 19 - 20. 被引量:1
9Eberhardt D M,WilI W A,Godkin J D.Retinol administration tosuper-ovulated ewes improves in vitro embryonic viability QJ.Biologyof Reproduc-tion, 1999,60:1483 -1487. 被引量:1
10Furll M,Deniz A, Westphal B,et al.Effect of multiple intravenous injec-tions of butaphosphanand cyanocobalamin on the metabolism of periparturientdairy cows[J].Dairy Sci,93:4155 -4164. 被引量:1