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How to improve the uniformity of broiler chickens
The chicks are called the breeding period from the 7-18 or 20-week-old stage. The uniformity is the key indicator of the breeding period. The regularity of the flock includes: regularity of body weight, length and length of the cockroach, and sexual maturity. There is more attention to uniformity in body weight during production, which refers to the percentage of birds in the group whose body weight is within the standard body weight and within the next 10%. Uniformity represents the growth and development of the entire flock. High tidyness indicates consistent growth and development of chickens, regular production of chickens, high egg production peaks, and a long duration of egg production. Therefore, raising broiler chickens The degree of uniformity is of great significance. To improve the uniformity of broiler chickens, the following aspects must be noted. First, regular weighing and weighing is the only effective way to understand the weight of chickens, and the weight of chickens can be clearly understood through regular weighing. Weighing must comply with two requirements: 1. Regular weighing: Weighing once a week. 2. Random sampling: Individuals weighing 5% of the flock are generally weighed (set according to the size of the population). The results of the sampling test should be compared with the standard weight of the breed, and then the feed amount should be adjusted and the reloading time should be set so that the flock will always be in the proper weight range. Second, adjust the breeding density Breeding density is a very important aspect of determining the chicken's uniformity. Large stocking density results in chaos and intense competition. The air in the house is contaminated and the environment deteriorates. In particular, insufficient feeding and drinking water can cause weight loss in some chickens, and can cause licking and licking. The density is too small, causing increased feeding costs. In general, laying hens range from 15-16 eggs per square meter, and 10-12 eggs per square metre on the Internet. Third, to ensure that the amount of feed during the feeding period of the chickens fed, the feeding should be uniform, each time after feeding the material should be 4-5 times, to ensure that each chicken evenly feed. An effective way to increase chicken uniformity is to limit feeding. The implementation of restricted feeding should pay attention to set enough feed trough, and the chicken group is big, medium and small groups, according to the weight standard appropriate adjustment of the amount of feed. Restricted feeding should strictly implement the feed restriction program, according to the standard feeding, feeding times should not be less, should be 2 times a day is appropriate, to prevent strong chicken to eat, weak chicken eat less. Fourth, timely and reasonable adjustment of chickens no matter how high the chicken technology, management level, there will always be some frail chickens in the flock, if not picked out in a timely manner, individual treatment will inevitably affect the growth of chickens and production performance, To make the overall benefits impaired, so to do: 1, individual adjustments to the flock, picking out the weaker chickens centralized feeding, postponed reloading time, so that it can reach the standard weight as soon as possible. 2. When dying or eliminating chickens, vacancies should be added in time so that the number of chickens per cage can be kept consistent. 3, for chickens with broken or broken chickens, repairs should be made in time. 4, do a good job of immunization to reduce the incidence of disease. (Cao Qingqing, Shijiazhuang Huamu Group Poultry Farm)