Specific methods for cultivating high-yielding layers

When the weight of the chicken is lighter, the production is delayed, the rate of death scouring is increased, the egg production is decreased, and the peak egg production is maintained for a short time. According to research reports, weight during the rearing period can always affect the weight at the end of the laying season. If the weight is too small during the breeding period, the feed intake during the laying period will be less. In the peak period of egg production, there is not enough nutrient supply, which leads to a drop in egg weight first. In severe cases, the egg production rate (amount) is also affected. After a peak, it declines sharply, forming a V-shaped egg production curve common in production, and eventually leading to a sustained peak. The period will be shortened and the total egg production will be reduced. It may also cause chicken malnutrition and increase the rate of death. This is also the reason for the high rate of chickens dying during the peak period of peak production and peak duration in the production, and more pheasants. Therefore, cultivating qualified hens is the key to cultivating high-yielding flocks. 1. During the brooding period, the preparatory work must be done before the chicks are hatched. After the chicks are put in, they should be managed according to the required temperature, humidity, light, ventilation and density, and they should provide nutrient-rich full-rate feed. Each chick should be guaranteed to have enough Eating and drinking space should not be overstocked. According to the standard of body weight, it is necessary to decide when to replace the bred materials. It is not appropriate to mechanically determine the feed conversion according to the age. In general, if the chicks have not reached the standard weight at the age of 6 weeks, the brooding material can be fed to 8 to 12 weeks of age, so that the broiler can reach the standard body weight and then change the parent material. In the production practice, chicks are usually replaced with broiler pre-feeds at 0-3 weeks of age to achieve satisfactory results. In the process of tracking technical services, we found that Dao Daoyuan, a large chicken farmer in Pingyi County, Shandong Province, has been feeding broiler chickens for the past 10 years. The results are significant and worth promoting. Second, the time limit for light reduction can be taken before the age of 4 weeks to extend the chick's feeding time, as chicks are not sensitive to long light in the first few weeks. 2. During the breeding period In the production practice, many breeders often overlook the cultivation during this period in order to reduce the cost of raising the animals. In fact, the establishment of healthy hens that are healthy and tidy is a prerequisite for giving full play to the performance of laying eggs. In short, during the entire breeding period, when the flock uniformity is poor, the breeder should regularly group the chickens, and the overweight or underweight chickens should be singled out and reared separately. According to the chickens with the same weight, adopt different feeding and management methods to gradually reduce the weight difference and improve the group uniformity. It can be said that the whole group is a regular job throughout the entire breeding period, because it is only possible to have high-yielding layer populations by breeding reserve hens with good weight and uniformity.

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