Copper Sulphate
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Copper sulphate
Copper sulphate supplies a non organic form of copper (copper that is not bound to a protein). Copper sulphate is the most cost effective form of copper available for fertilizer use. The merits or otherwise of copper sulphate, or for that matter any inorganic form of copper becomes a little more complex when it comes to animal dosing. In our view inorganic forms of copper such as copper sulphate and copper oxide are not ideal in the diet of any animal. Research indicates that although copper levels in the liver increase quickly, these forms of copper are poorly trans-located to other parts of the body. The body tends to treat all non organic forms of copper as potential toxins, mineral toxicity trials with rats show that if these forms of copper come into contact with with other body cells they can cause significant cell damage (Larsen et al). Soon after ingestion the body stores the non organic forms of copper to the liver and kidneys where the short term risk of cell damage is reduced. In contrast organic forms of copper such as copper glycinate are trans-located to cells throughout the body, organ storage for these mineral forms tend to be secondary to muscle storage. In the case of inorganic forms of copper, the higher than optimal liver and kidney levels attained tend to only heighten the risk of toxicity should all this stored copper be suddenly released into the bloodstream. Large levels of copper can be released from the liver and kidneys when animals come under stress. Palm kernel expeller (PKE) and other feeds containing inorganic forms of copper only increase the risk of toxicity.
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