56 



500 



400 



300 



200 



100 



10 20 30 40 50 60 70 80 



Days on trial 



FIGURE 5-5. Serum x-glutamyltransf erase levels for sheep 

 supplemented with toxic levels of CuS0 4 (77 and 288) and CuLys 

 (1 and 46) . 



2,500 



2,000 



1,500 



1,000 



500 



30 40 50 



Days on trial 



80 



FIGURE 5-6. Serum aspartate amino transferase levels for 

 sheep supplemented with toxic levels of CuS0 4 (77 and 288) and 

 CuLys (1 and 46) . 



