Spring is the season of chicken egg production, but if it is not properly managed, it will also reduce the egg production rate. Therefore, it is very important to do well in the spring feeding management of laying hens. Specifically, it is necessary to hold four passes. The first is light off. In early spring, the temperature is low, and the sunshine time still can not meet the needs of laying hens. Before opening the chicken in the morning, you should open the window and adjust the temperature. After about half an hour, put the chicken out for activities. The daily light time should be maintained between 14 hours and 16 hours. The lack of sunshine should be supplemented by artificial light. The second is feed off. As the temperature rises and the sunshine lengthens, the hen's egg production increases rapidly. Therefore, sufficient feed must be ensured. For chickens with an egg production rate of over 80%, the daily crude protein content of feed should not be less than 20%, and the bone meal content should not be less than 25%. Feeds such as corn, soybeans, and wheat bran should be fed with more feed every day. 4 to 5 times, and feed green food such as vegetables and tender grass. At the same time, ensure that drinking water is sufficient. In case of rainy weather, vitamin D3 or cod liver oil should be supplemented. The third is preventing disease. Spring is a season of chicken disease, so early prevention and early treatment are needed. In particular, chicken gizzards, which have a fast onset and high mortality rates, require early prevention. In general, adding appropriate amounts of garlic, leeks, etc. to the feed can play a preventive role. Large temperature difference in spring, often cold invasion, attention should be paid to changes in the weather, often listen to, watch the weather forecast, take cold insulation measures to prevent chickens suffering from colds. Also pay attention to the density of chickens, the density is too large, dampness and ammonia gas in the house will affect the chicken's egg production and appetite, and may cause respiratory diseases. It is necessary to strengthen ventilation, remove the excrement in time, and keep the house clean and dry. The fourth is to prevent "hold" off. "Buddy nests" are an instinct for the reproduction of birds, often occurring in late spring and summer when temperatures rise gradually. The dark environment and the nesting eggs do not take, but will induce a "boom." If there is a "big nest", it must be immediately quarantined and roused. The method is: change the environment, change the chicken nests in a cool and bright place for ventilation, and let chickens chase each other. Fill vinegar and irrigate 1 tablespoon of vinegar each morning and evening for 4 days to 5 days.
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