4nderwood E J. Trace elements in human and animal nutrition[J]. Academic Press New York San Francisco London, 1977,39- 67.
5王建华 张树方.动物中毒病及毒理学[J].台湾中草药杂志,2002,(2):204-206.
6Kincaid R L,Blauwiekel R M, Cronrath,J D. Supplementation of copper as copper sulphate or copper proteinate for growing calves fed forages containing molybdenum [J]. Journal of Dairy Science, 1986, 69:160-163.
7Ward J D,Spears,J W and Kegley,E B. Effect of copper level and source (copper lysine vs. copper sulphate) on copper status, performance, and immune response in growing steers fed diets with or without upplemental molybdenum and sulphur[J]. Journal of Animal Science, 1993,71 :- 2748- 2755.
8Mcclure S J,T J Mcclure,D L Emery. Effects of molybdenum intake on primary infection and subsequent challenge by the nematode parasite Trichostrongylus colubriformis in weaned Merino lambs[J]. Research in Veterinary Science,1999,67(1):17-22.
9White C L, et al. Effects of Copper and Molybdenum Supplements on the Copper and Selenium Status of Pregnant Ewes and Lambs[J]. Journal of Animal Science, 1989,67: 803- 809.
10Witten Burg,K M Boila,R J and Shariff M A. Comparison of copper sulphate and copper proteinate as copper sources for copper-depleted steers fed high molybdenum diets [J]. Journal of Animal Science,1987,70:895-904.
