1. Science is broken. Prevent licking feathers, anus, claws, scales, lime, feces, etc. Most people advocate that they should do a 1st switchback at 5-9 weeks of age, and trimming at 10-12 weeks of age; most of them in the United States will be paralyzed 1 week after hatching; some scholars believe that turning chicks from brooding The first break to the second day of the big house is of minimal impact on development, and it is advisable to perform the second break on the day when the young hen is transferred from the big hen house to the hen house or on the second day. Usually cut it on the l/2, down 1/3. However, from the point of view of the author and colleagues engaged in egg chicken production practice for many years, as long as the various aspects of feeding and management are appropriate, the chance of occurrence of paralysis is not very high, and will not have a major impact on the production of chickens. Excessive phlegm will result in the death of some chickens due to excessive bleeding. If it is inappropriate, it will hinder the growth of food and hinder growth.

2. Determine the amount of feed based on seasonal differences. The feed intake of chickens is related to the temperature. Because of the different incubation time, the temperature conditions accepted by different batches of chickens during different physiological stages are different. When determining the amount of feed, the influence of season on feed intake must be considered. Generally speaking, the physiological stages of the spring chicks (especially the April chicks) are adapted to the seasons. The most vigorous chicken growth stage happens to be the natural condition most suitable for the physiological characteristics of the chickens. The sexual maturity period is very hot. In summer, intake will not be excessive, sexual maturity will not come prematurely, and bones and internal organs will be fully developed; when it enters the laying period, temperatures will begin to fall, feed intake will increase, and egg weight will increase, and soon When entering the peak of egg production, the amount of feed must keep up. Chickens hatched from September to February of the following year (ie, autumn and winter chicks, early winter chicks, and early spring chicks) have an increase in feed intake as the temperature decreases, feed intake will exceed the need for growth and development, and will continue as the warmer climate in the following year. Increased feed intake and promote sexual maturation; while the peak of egg production meets hot summer season, the chicken's physical strength decreased, and egg production decreased. Therefore, special attention should be paid to controlling the amount of feeding for autumn and winter chicks and early spring chicks.

3. Control the amount of feed during the laying period. In terms of the peak period of egg production, the peak period is less, and the maximum after the peak period is mainly limited after the peak period. Chickens with small eggs should begin to limit the amount of feeding at the age of 40 weeks. If the summer heat should be delayed, it should be postponed to the autumn to limit the amount of feeding is better. In this period, an intra-group comparison method is generally adopted. That is, a certain number of chickens are randomly selected within the group and allowed to feed freely, and the weekly feed intake is accurately recorded. The average weekly feed intake is used as a benchmark, and the requirements are limited. Percentage, calculate the amount of feed restriction in the next week.

4. The slot should be sufficient. Each chicken in the flock can feed a balanced feed, so that all chickens can feed at the same time, which can not only improve the uniformity but also minimize the feed waste.

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