First, timely exchange for the transition material
In general, 20-week-old chickens are fed pre-egg feed, also called transitional feeds, with 1% calcium and 16.5% crude protein. When reloading, half a month's time is used to gradually complete the reloading process. Avoid rushing to avoid causing diarrhea. When the egg production rate reaches 2% to 5%, the calcium content of the feed should be 3.4% to 3.5%, and the crude protein content should be 18%.
Second, control the initial body condition
While recharging calcium, we should do a good job in the uniformity of population development. We must group large, medium, and small hens in groups and transfer them periodically. Avoid sudden increase in material or slashing material, the effectiveness of which can be expressed after 3 weeks, should not be rushed. The weight of light-weight chickens should not exceed the size of medium-large chickens, so as to avoid affecting sexual maturity due to fat deposition.
Third, strict control of housing temperature
The most suitable laying temperature for laying hens is 18°C～23°C. When the outside temperature is lower than 18°C, the nutrients used to maintain the demand will increase; when the temperature is lower than 13°C, it will affect the growth and egg production of laying hens, and the temperature of the chicken house is too low to increase in time. When feeding, chickens will postpone production due to lack of energy. In summer and autumn, the feed intake of laying hens decreases. If the proportion of protein in the diet is not increased in time, it will affect the development of the chicken's reproductive system and delay production.
Fourth, lighting control and adjustment
Reserve hens generally enter sexual maturity at 15 weeks of age, during which period the natural light is gradually reduced. Due to the short illumination time and the long time to reach sexual maturity, supplemental illumination should be started after 15 weeks of age to meet the needs of sexual maturity. In general, the light time after 15 weeks of age should be maintained at the light hours of 15 weeks of age, but the light can not be too strong to prevent the emergence of chicken feathers, toes, backs and other evils. The initial illumination time of laying hens is 13-17 hours.
Fifth, for clean drinking water
First-time hens are in great need of drinking water. Generally, a hen needs 100 to 200 grams of water a day. Therefore, laying hens must not be deprived of water every day, and they can also supply 2 to 3 times of dilute brine every week to improve the hen's constitution. Increase feed intake. Some carrots or green feed can also be fed daily to increase the quality of the eggs.
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