No matter what method is used during laying, the laying hens will determine their subsequent laying performance. Obtaining high-quality young hens is the first step toward achieving high yields of young hens. For this reason, the author combined with the practice of raising chickens, is now on the feeding and management of the egg hens during the breeding management points are described below for reference. Controlling the weight of a chicken during its growing period is the best indicator for evaluating its quality. After the chicks had started to eat for 7-10 days, 100 chickens were randomly selected and tested for individual body weight. The results were compared and studied with the standard body weight, and the daily feeding management was decided. The mean value of the measured body weight is between the median and the upper limit of the standard body weight, and the subsequent egg production performance is good. When the measured body weight is often below the standard body weight, the cause must be ascertained, and corresponding countermeasures (such as feed intake, feed quality, feed times, sink location, disease, home environment, etc.) should be taken promptly; on the contrary, often At the upper limit of the standard body weight, it is necessary to limit the amount of feed, etc. to maintain and control the appropriate body weight. As a criterion for the development of flock development, if there is more than 70% of individuals, the body weight will be within 10% of the average weight of the flock, even if the flock's body weight is the same. Correctly deafness In the breeding period, correct deterrence must be implemented. Broken jaws are more likely to fail, sometimes cutting the jaws too much, sometimes breaking the jaws, or burning the tongue, and must be careful when breaking. The squat is longer than the upper squat when it breaks, and the successful squat does not stretch excessively. Reasonable Breeding Density The rearing density of broiler chickens is becoming more and more important as chick ages increase. Because chicks grow every day, the feeding density has a great influence on the quality of young hens. Chicks bred in intensively reared environment conditions are most prone to problems in the later stages of rearing. For example: poor ventilation, inequality, difficulty eating, respiratory illness, house noise, ammonia, etc. Each chicken has a small breeding area, and of course the uniformity of body weight during development is affected. Usually, the flocking density of the flock is small in summer, slightly larger in winter, and between spring and autumn. Strengthen the light management of the bred chickens in the light management. The purpose is to control the chickens to reach sexual maturity at the appropriate age. If the sexual maturity of the chicken is too early, the initial egg production weight will be small, because the egg will begin to be laid before reaching the appropriate body weight, and the body will be poor in quality, and it will easily lead to partial moulting and discontinued production in the latter half of the production. There are various methods for lighting procedures. Which one is better depends on whether the house is open or closed; or whether it is a spring or autumn chick that adopts different methods, that is, it depends on the specific conditions of each chicken farm. Decision. The key point is that the lighting time of the broiler house should be coordinated with the lighting of the laying house. For example, if a relatively long period of light is used in the breeding period, and the sunshine duration is reduced during the transition into a chicken house, this will cause the production peak to be affected and the chickens will not reach their peak production. . Doing a good job of immunization is mainly a type of viral vaccine. The method of vaccination should be based on the prevalence of chicken disease in the region to develop a vaccination program for each chicken farm. The management and use of the vaccine should be performed according to the instructions. Otherwise, the expected immune effect cannot be achieved. It is important to strictly control the occurrence of chicken diseases to control the occurrence of broiler diseases. Young hens carrying septic molds, infectious rhinitis, infectious bronchitis, and other pathogens, when moved to laying hen houses, these potential pathogens will contaminate the house and the environment, regardless of the occurrence of the disease will be Caused a drop in egg production. The implementation of scientific feeding methods has important effects on the growth and development of young hens. Young hatchlings, middle cubs, and large broilers must all be given high-quality and nutritious compound feeds. Different feeds should be used in different growth stages. When feeding, brooding is covered with newspapers or moving cardboard on the bed during the early period of brooding, and the feed is soaked with water (after being held by hand and then loosened by hands), and then sprinkled on the top. The first three days were fed by this method. From the fourth day onwards, this method was used in combination with feeding tanks. The sixth and seventh days were transferred to all the feeding tanks. Two weeks before the first birth, it is necessary to add enough calcium, and the young hens who are early in production should also find ways to supplement calcium. The timing for the timely transfer of young hens into hen houses should be before the start of production. The method of catching chickens on the move should be taken care of because the hens are vulnerable to various types of stress when migrating chickens. If you consider from the chicken's point of view, environmental changes will bring about big problems. After switching to other types of utensils for feeding and drinking water, the chickens will have to adapt after a few days. This will lead to weight loss, delayed sexual maturation, and egg production will decline. 20-week-old chickens should be controlled for their body weight at 20 weeks of age in order to achieve the body weight standards specified in the breeder's breeding manual. A 20-week-old body weight that is too large or too small compared to the standard body weight will cause poor production. influences. Numerous data reports indicate that if the weight of the chicken is not suitable at the time of first birth, the number of eggs laid and the average egg weight of the chicken will be reduced, and the mortality rate of the chicken will increase.
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