1, make the animal body poisoning
High copper used exceeds the safety dose of 250PPM will cause animal poisoning. Chronic copper poisoning can cause hepatic copper content of animal multiplied to necrosis of liver cells, High-speed Rail hemoglobin, high disease of copper, hyperbilirubinemia, and the hemolysis of red blood cells, the clinical manifestations of jaundice, loss of appetite, thirst, nerve, increase of respiratory rate, heart rate. The practical application also shows that long-term intake of high copper on animal organism caused some damage and even death.
2, the harm to human health
When the copper content in the feed is greater than 10mg/kg and less than 250mg/kg, copper deposition in the liver increased exponentially. Through the liver copper determination: 250mg/kg containing 30kg in the pig feed for 2 months, the liver copper content up to 185mg/kg, far exceeding the standard of food hygiene human. If the long-term consumption of such high residual products, must be deposited in the human body, can increase the level of free radicals in the body, changes in lipid metabolism, leading to atherosclerosis accelerate cell aging and death.
3, the waste of resources, pollution of the environment
Animal body tissue deposition of a considerable part of heavy metals copper and excrete large amounts of copper into the environment. This not only causes the animal body chronic poisoning, tissue residue increased and the waste of resources, more important is the influence to the whole ecological chain to can not be ignored and harm.
4, increase the difficulty of the feed formula and harm to feed producers
Trace elements existed between absorption and utilization of antagonistic and cooperative relations, any one of which elements of excess or deficiency, it will affect the absorption of other elements. So the high copper will reduce the animal in vivo these nutrients absorption and utilization, thus secondary anemia (the decrease of iron absorption), muscular dystrophy (selenium absorption decreased) and delay in production, reproductive disorders and so on; in order to avoid the secondary cause nutritional element deficiency disease, increase the amount of trace elements necessary, excessive minerals in feed, will have a negative impact on the stability of vitamin, lead to a lack of vitamins. A series of problems so other nutrition high copper induced hormone appropriately added, which not only increases the difficulty of feed formulation, effects of feed quality and increased the cost of feed. In addition, there is great harm to the feed producers, mineral elements in feed production personnel long-term exposure to high doses, can cause skin damage, and cause skin cancer, and even cause secondary to lung cancer.