In the late summer and early autumn period, it is the initial stage of spring-rearing hens. The management of chickens during this period is related to the economic efficiency of chicken farms (households). The feeding and management points of the hens in the late summer and early fall are introduced as follows:
1. Timely change and feed 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 complete the reloading process. Avoid rushing to avoid causing diarrhea. When the egg production rate reaches 2% to 5%, calcium content in the feed should be 3.4% to 3.5%, and crude protein should reach 18%.
2. 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.
3. Control the temperature of the house. The most suitable laying temperature for laying hens is 18°C～23°C. If the temperature of the broiler house is too low and the feed is not increased in time, the chicken will postpone its opening due to lack of energy. In summer and autumn, the feed intake of laying hens is reduced. If the proportion of protein in the diet is not increased in time, the development of the chicken reproductive system will be delayed and the production will be postponed.
4. Adjust relative humidity and ventilation. The relative humidity of the chicken house is required to be 55% to 65%, and the relative humidity of the house at 1 to 3 days is 70%. After 4 weeks of age, the relative humidity can be reduced to about 50%. Humidity should not be too high, otherwise the chicks will appear filthy feathers, lack of appetite, sickness and illness, delaying sexual maturity and postponing production.
5. Lighting control and adjustment. Reserve hens generally enter sexual maturity at 15 weeks of age, during which period the natural light is gradually reduced. The time of light is short and it takes a long time to reach sexual maturity. Therefore, supplemental light should be started after 15 weeks of age. In general, the illumination time after 15 weeks of age should be maintained at the light intensity of 15 weeks of age, but the light intensity can not be too strong to prevent the occurrence of chicken gizzards. It is advisable to light the first layer of chickens daily for 13 to 17 hours.
6. Provide enough clean drinking water. A primal hen needs 100 to 200 grams of water a day. Laying hens must not be short of water. It is best to use flowing water tanks for water supply, and 2 to 3 times of dilute brine can be supplied each week to improve the physique of the layer and increase the feed intake. Some carrots or green feed can also be fed daily to improve the quality of the eggs.
Many people believe that the mushroom soup is delicious. Why do mushrooms taste so fragrant? According to He Jiguo, this is mainly because mushrooms are rich in delicious amino acids. The sources of umami in mushrooms are mainly flavorful amino acids such as glutamic acid and aspartic acid, as well as taste nucleotides such as inosinic acid and guanylic acid. These substances make mushrooms taste delicious, comparable to meat .
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