62 

 77 (CuS0 4 ) could not tolerate the high dietary Cu and resulted 

 in a rapid increase in serum Cu compared to others . Animal 

 288 was apparently never affected by Cu excess. 

 Myodegradation was present in animals 1 and 77 prior to death 

 and was probably caused by excess Cu in blood. The use of 

 high Cu supplementation in sheep and the development of 

 toxicity was not dependant on source used. 



