When hens are vaccinated and transferred, the amount of vitamin A, vitamin E, vitamin C, and vitamin D should be increased.
When the chickens develop chronic respiratory diseases, they also need to increase the amount of vitamin A, vitamin E, and vitamin C.
The lower the vitamin A content in chick feed, the higher the incidence of chicken coccidiosis. Therefore, when the chicken suffers from coccidiosis, the amount of vitamin A, vitamin K and vitamin C should be increased in the feed.
Chickens with fatty liver syndrome should be supplemented with choline chloride and vitamin supplements in their diet.
In the hot summer heat, adding 0.1%~0.5% of vitamin C to chicken feed can increase the disease resistance of the chicken, lower the body temperature, resist heat stress and improve the production performance.
Appropriate increase in vitamin A content in broiler feed can increase feed yield and speed up chicken growth.
At the peak of laying hens, the amount of vitamin B2 should be increased.
In order to increase the hardness of the eggshell, in addition to adding calcium to the chicken feed, vitamin A and vitamin C should also be added.
When certain vitamin deficiency occurs in chickens, the amount of multivitamin added to the feed should be 2 to 3 times the normal amount.
The amount of multivitamin added to the diet of young chickens and breeders is 1 to 1.5 times the normal amount.
The amount of vitamin A and vitamin D added to the caged chickens is 5% to 10% higher than that of the flat chickens.
When the feed is stored for a long time, the amount of multivitamins should be increased to avoid loss of vitamins.
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