In addition to guaranteeing their fullness during the production period of laying hens, they must also feed three substances:
During a large number of laying hens, ferrous sulfate layer chickens have a strong blood circulation, and various substances (especially iron) are consumed in the body. Iron deficiency anemia occurs most often after the chickens are laid off. If 100 mg of ferrous sulfate powder per kilogram of feed is added at this time, iron deficiency anemia can be prevented from occurring in the layer.
After the bone meal fried with vinegar is fried in vinegar, the calcium can become calcium acetate which is easily absorbed by the chicken's gastrointestinal absorption. Adding 3% of bone powder fried in vinegar to the hens' chickens during the perinatal period can quickly cure osteoporosis and osteomalacia caused by lack of calcium in the hens.
Pumpkin squash has good palatability and rich nutrition, which can promote moulting of laying hens and shorten the moulting period. Each layer of eggs is fed 45 grams a day and can be chopped and fed. Pumpkin can also be cut and placed on the ground for chicken to feed.
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