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The Harm Of Feeding More Vitamins To Laying Hens

The harm of feeding more vitamins to laying hens

Vitamins have anti-infection, detoxification and anti-stress effects, can increase chickens’ resistance to cold and disease, prevent infectious diseases, reduce feed consumption, and increase egg production. Therefore, vitamins are considered indispensable by many chicken farmers and are widely used. However, some chicken farmers often increase the amount of vitamins in order to increase the egg production of the hens. As a result, the laying hens develop hypervitaminosis. The laying hens cause harm.

Vitamin A” The appropriate content of vitamin A per kilogram of feed for laying hens is 4000 international units. When the feeding amount exceeds the feeding standard, it can cause the occurrence of hen vitamin A hypervitaminosis, which is manifested as depression or convulsions, decreased feed intake, and in severe cases, no food will be eaten and feathers will fall off.

Vitamin D” The appropriate content of vitamin D per kilogram of feed for laying hens 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 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.

“Vitamin E” The appropriate content of vitamin E per kilogram of feed for laying hens is 5 international units. Overfeeding can cause fat metabolism disorders in laying hens, resulting in fattening or death due to poisoning.

“Vitamin K” The appropriate content of vitamin K per kilogram of feed for laying hens is 0.5 mg. When overfeeding, due to its stimulation of gastrointestinal mucosa inflammation, chickens show sharp loss of appetite and diarrhea, resulting in decreased egg production, and in severe cases, production is stopped.

Laying hens’ hypervitaminosis is mainly to prevent, and the chicken rations are reasonably prepared according to the 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.

In summary, too much vitamins can cause great harm to laying hens. Chicken breeders must not increase the amount of vitamins in order to pursue immediate benefits.

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