6Henry P R,Ammerman C B,Little R C.Relatative bioavailability of manganese from a manganese-methionine complex and inorganic sources for ruminants[J].J.Dairy Sci,1992,75:3 473-3 478
7Du Z,Hemken R W,Jacken R W,et al.Utilization of copper in copper Lysine,and cupricsulfate using the rat as an experimental model[J].Journal of Animal Science,1996,74(7):1657-1 663
8Wedekind K J, Hortin A E, Baker D H.Methodolog for assessing zinc bioavailability:Efficacy estimates for zinc-methionine, zinc sulfate and zinc oxide[J].J.Anim. Sci,1992,70(1):178-187
9Carlson M S,Hoover S L,Hill G M,et al.The impact of organic and inorganic source ofzinc supplementation on intestinal metallothionein concentration in the nursery pig[J].J. Anita. Sci,2000,75(1):188
6Hoadley E J. Leinart A S,Cousins R J. 1987. Kinetic analysis of zinc uptake and serosal transfer by vascularly perfused rat intestine[J].Am.J Physiol,252:G825-831.
7Jiayin Cao .1998 .Characterization of organic zinc sources and their relative bioavailabilities for poultry and sheep [Dl.Ph.D.Dissertation,P8- 10.
8Smith K T,Cousins R J,Silbon B L. 1978 . Zinc absorption and metabolism by isolated ,vascularly perfused rat intestine[J].J Nutr., 108: 1849- 1857.
9Smith K T,Failla M l.,Cousins R J. 1978. Identification of albumin as the plasma carrier for zinc absorption by perfused rat intestine[J ]. Biochem.J,284:627- 633.
10Smith K T, Cousins RJ.1980.Quantitative aspect of zinc absorption by isolated, vascularly perfused rat intestine[J].J Nutr.,110:316- 323.
