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Feeding more vitamins to chickens is harmful!

2020-12-01

In order to increase the egg production of hens, some chicken farmers arbitrarily increase the amount of vitamins fed. As a result, the laying hens develop hypervitaminosis, which will affect the growth and laying of the laying hens. Adding vitamins to layer feed must be added strictly according to the standard, and increasing the dosage at will will cause harm to the layer.

 
The appropriate content of vitamin A per kilogram of feed for vitamin A laying hens is 4000 international units. When the feeding amount exceeds the feeding standard, it can cause the occurrence of hypervitamin A in the hen, which is manifested as depression or convulsions, decreased feed intake, and in severe cases, no food will be eaten and feathers will fall off.
 
The appropriate content of vitamin D per kilogram of feed for vitamin D layers is 500 international units. When the feeding amount exceeds the feeding standard, a large amount of calcium can be transferred from the bone tissue of the laying hens, and the absorption of calcium in the gastrointestinal tract can be promoted, so that the blood calcium concentration is increased, and calcium is deposited on the arterial wall, joints, renal tubules, and heart. And other soft tissues, the clinical manifestations are loss of appetite, diarrhea, kidney stones, and laying hens often die of uremia.
 
The appropriate content of vitamin E per kilogram of feed for vitamin E laying hens is 5 international units. Overfeeding can cause fat metabolism disorders in laying hens, leading to fattening or poisoning.
 
The appropriate content of vitamin K per kilogram of feed for vitamin K layers is 0.5 mg. When overfeeding, due to its stimulation of gastrointestinal mucosa inflammation, chickens show sharp loss of appetite and diarrhea, resulting in a decrease in egg production, and in severe cases, production is stopped.
 
The main reason for hypervitaminosis in laying hens lies in the prevention, and the rational preparation of chicken diets according to feeding standards. For chickens that have become ill, they should stop feeding vitamins immediately and provide adequate drinking water. Generally, they can recover gradually within 2 weeks.


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