Copper Toxicity in Sheep Copper Toxicity in Sheep Copper is an essential nutrient for sheep.
Copper is required, but is also highly toxic.
Copper is required for normal melanin production, elastin and collagen synthesis, iron metabolism, and the integrity of the nervous system. Copper is also known to be important for effective immune responses. The true importance of copper may be understood from looking at the problems associated with copper deficiency. Copper toxicity is more commonly seen and will prove to be more of a problem. Copper Requirement Copper is regularly used in the diet at about 8-11 parts per million.