40 



TABLE 4-2 . Mean Zn concentrations in tissues of sheep 

 supplemented with four sources of Zn (mg/kg, DMB a ) 



Tissue 



Control b 



ZnO c 



ZnS0 4 d 



ZnMet c 



ZnLys c 



SEM e 



Bone 



83 



98 



97 



96 



91 



13 



Bone Marrow 



63 



79 



79 



84 



73 



21 



Cornea 



7 



6 



6 



7 



8 



2 



Skin 



24 



27 



26 



26 



31 



9 



Hoof 



94 



112 



113 



105 



89 



59 



Kidney 



117 f 



137 f 



2 3 4 f 



226 f 



581 g 



131 



Liver 



127 f 



140 f * g 



195 g 



198 g 



389 h 



66 



Muscle 



260 



257 



261 



259 



267 



22 



Pancreas 



86 f 



107 f 



139 1 



135 f 



340 g 



110 



a DMB= Dry matter basis, bone also fat free, cornea and skin on wet 



basis . 



b n=6. c n=8. d n=7 . 



e SEM = Standard Error of the Mean. 



f.g.h Means with different subscripts across row differ (P < .05) . 



TABLE 4-3 . Mean metallothionein content of tissues of 

 sheep supplemented with four sources of Zn (|ig MT/g a ) 



Tissue 



Control 



ZnO c 



ZnS0 4 d 



ZnMet c 



ZnLys 



SEM e 



Liver 



2.0 f 



4.5 £ 



ll f 



8.2 f 



79 g 



21 



Kidney 



4.8 f 



14 f 



45 f 



45 f 



167 g 



50 



Pancreas 



1.7* 



2.6 f 



7.9 f 



ll f 



68 g 



36 



" |ig MT/g= |ig of Metallothionein per gram of wet tissue. 



b n=6. c n=8. d n=7 . 



e SEM = Standard Error of the Mean. 



t,q Means with different subscripts across row differ (P < .05) 



Likewise, both ZnS0 4 and ZnMet treatments resulted in higher 

 concentrations than both the control and ZnO groups in the 

 three tissues but differences were not significant (P > .05) . 



