83 

 depletion. In liver, CuO supplemented rats had the lowest (P 

 < .05) Cu concentration. Copper oxide was less available than 

 CuLys and CuS0 4 when added in adequate dietary levels, 

 however, organic (ZnMet and ZnLys) and inorganic (ZnS0 4 ) 

 sources of Zn were similar. 



