First, give birth prematurely. Instead of blindly raising the feed standards according to the production pattern and nutritional requirements of the laying hens, the laying hens are allowed to start production earlier, so that the hens have small body weight, premature aging, and short duration of egg production, thus affecting the egg weight and Egg production rate. Second, abuse of feed additives. Many chicken farmers consider feed additives as a panacea for increasing production capacity. They are not abused according to the content of various nutrients, which increases the cost of raising chickens and destroys the balance of various nutrients. Third, overtime added material. Adding some nutrients blindly in the feed leads to imbalances in various nutrients in the feed, which affects the growth and development of the chicken. Fourth, suddenly change the feed. The feed is not changed according to the usual habits of the chicken, and the chicken is not given a suitable transitional period. If the feed is changed abruptly, the stress response of the chicken will be easily caused. V. Introduced blindly. Many chicken-raising households have the idea that the newer and better breeds of chickens do not consider the natural conditions and feeding conditions of the introduced varieties and the market demand. There are also some chicken-raising specialists who only pay a cheap price and ignore the chickens. quality. Six, blindly medication. There are many chicken farmers once they encounter the disease, without blind veterinarians diagnosed, they blindly use drugs, thus delaying the disease and wasting the economy. Seven, long-term medication. The long-term feeding of various drugs for the prevention of chicken diseases not only causes damage to the chicken kidneys and waste of drugs, but also causes resistance to various bacteria, which seriously affects the therapeutic effect of the disease later. Eight, sick and polyculture. In the production of chickens, no attention is paid to the isolation and isolation of diseased chickens at any time. However, diseased chickens and healthy chickens are still in the same housing, and are fed together with mixed materials to cause epidemic infection. Nine, ignore the elimination of low-yield, sick chickens. From the time of brooding to egg production, only the survival rate of the chicken is emphasized, and the weak chicks and the residual chickens are not eliminated in time, which wastes feed and reduces the benefit of raising chickens. Ten, do not pay attention to sanitation and disinfection. Chicken farmers can generally prevent chicken diseases, but they do not pay much attention to chicken house hygiene, leaving hidden dangers for various infectious diseases. Ningbo DOKEE Medical Technology Co., Ltd. , https://www.dokeemedical.com