Copper added to feed to promote the growth of livestock and poultry

Copper added to feed to promote the growth of livestock and poultry

The copper-containing compounds that can be used as feed additives include: copper carbonate, copper chloride, copper oxide, copper sulfate, copper phosphate, copper pyrophosphate, copper hydroxide, cuprous iodide, copper gluconate, methionine chelated copper, and the like. The most commonly used is copper sulfate, followed by copper oxide and copper carbonate. It is generally believed that copper sulfate and copper oxide have the same effect on the weight gain of chicks, while pigs have basically the same effect on copper sulfate, copper oxide and copper carbonate.
Copper sulphate copper sulphate has the highest biological efficiency, low cost, and is most widely used in feeds. The product has 5 crystal waters of copper sulfate and 0 to 1 crystal water of copper sulfate. 5 water copper sulphate is a blue, odorless crystalline or crystalline powder, easy to absorb moisture and damp, agglomerate, damage some nutrients in the feed, difficult to process, dehydration treatment before processing. 0 to 1 water copper sulphate is a greenish-white, odorless powder, which is dehydrated from five water copper sulphate. 0 to 1 water copper sulphate overcomes the shortcomings of 5 water copper sulphate and is easy to use and more popular.
In addition to nutritive copper additives, copper sulfate is often added in high-dose growth animal diets to promote its growth and antibacterial effect. According to reports, high-dose copper can prevent certain diseases and promote the growth of animals, especially in the case of poor feeding conditions, especially for young animals. High copper is combined with certain antibiotics to obtain better growth promoting effects. Currently widely used in promoting the growth of pigs, it is rarely used in promoting the growth of chickens. However, it should be noted that high copper should not be abused. In the case of insufficient iron and zinc, the use of 250 mg/kg of copper for a long period of time can cause pig poisoning, and pig liver copper concentration increases, such as human food and human Harmful to health, when dietary zinc is increased to 130 mg/kg diet and iron is increased to 150 mg/kg diet, the added amount of copper in the 250 mg/kg diet is safe, reportedly containing 150 mg of copper in the diet/ At kilograms, the optimum amount of zinc is 60 mg to 90 mg per kg, and iron is 80 mg to 120 mg per kg. However, a large amount of copper can not be absorbed by the animal body and discharged with the feces, and these feces applied to the soil will pollute the environment. Therefore, the application of high-copper diets is a complicated issue. In some countries, the use of high-copper feed is prohibited.
Copper Oxide Copper oxide is a black crystal. In some countries and regions, it is cheaper than copper sulfate, and it is less destructive to other nutrients in feed. It is easier to process than other compounds. In liquid feed or milk substitutes, copper sulfate dissolved in water should be used.
Copper carbonate is a pale green to dark green fine powder and its chemical formula is CuC03.

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