Magnesium: is an essential element that constitutes bone. It is closely related to the metabolism of calcium, phosphorus and carbohydrates and plays a role in activating various enzymes in the body. When the supply of magnesium is insufficient, bone calcification is abnormal, growth and development are poor, the egg laying rate of laying hens is reduced, and nervous tremors are prone to occur. Chickens often feed mixed feeds to meet the needs of magnesium.
Iron: It is a composition of hemoglobin, myoglobin, and various oxidases. It is closely related to the transport of oxygen in the blood and the biological oxidation process in the cells. Chickens and laying hens suffer from nutrient anemia when their iron content is low or absent. 1.1 milligrams of iron are needed per egg (usually 80 milligrams of iron per kilogram of feed). Feeding method: The iron solution can be fed directly into the feed of the chicken.
Manganese: It mainly promotes the metabolism of calcium and phosphorus in chickens, the formation of bones and eggs, etc. The solution to the deficiency of manganese in chickens is to feed more wheat bran, oats and green feed. When the green and winter feed is lacking in the winter and spring seasons, it can be fed with manganese-rich sprouting feeds to supplement.
Selenium: If chicks lack selenium, there will be large chunks of edema under the skin, which will accumulate plasma-like fluids; the testicles of a rooster will degenerate and atrophy; the reproductive function of hens will be disordered; the hatching rate of breeders will decrease; embryos will develop into malformations. When selenium deficiency, attention should be paid to improving feeding conditions and prevention and treatment with sodium selenite. Dissolve 0.1 mg of sodium selenite in 100 ml of water for chicken consumption.
Zinc: A metal element that constitutes a carbonic acid hydrolase. Carbonic acid hydrolase is the most abundant in the body cells, gastric mucosa and kidney cortex. It plays a role in catalyzing the synthesis and decomposition of carbonic acid in the body. If the diet is deficient in zinc, the chicks show poor appetite, slow growth, poor feather growth, weak legs, and difficulty walking. The laying hens showed delayed sexual maturity, thin shells, and even soft shell eggs, more dead embryos. The amount of zinc needed by the chicken (content per kilogram of feed) was 50 mg for chicks within 8 weeks of age and 65 mg for laying hens. Feeding a certain amount of meat meal and wheat feed can meet the chicken's need for zinc.
Copper: catalyzes the formation of hemoglobin and is related to the development of bones and normal metabolism of the central nervous system. It is the composition and activator of various enzymes in the chicken body. The lack of copper in chickens can cause anemia. If the chicken lacks copper, 2 milliliters of copper sulphate may be added per kilogram of feed. However, more feeds are prone to poisoning, and it is better not to feed as much as possible.
Iodine: In the absence of iodine in chickens, metabolic function is reduced, growth and development are hindered, and severe lack can cause death. The amount of iodine required by the chicken (per kilogram of feed content) was 0.35 mg for young chickens, young chickens, 0.3 mg for laying hens and breeders.
Cobalt: It is a component of vitamin B12. If it is deficient in cobalt, it will affect the metabolism of iron. The demand for cobalt in chickens is minimal, and the addition of five parts per million of oxide drill or cobalt sulfate to feed can promote growth and egg production. Vitamin B12 supplements are also available.
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