In the early stage of egg production, the main stress is to reduce various stresses, allow the chickens to produce smoothly and quickly enter the peak of egg production. The first egg of the flock begins to the sixth to seventh week of the laying period, which is the rising stage of egg production. In the first two weeks, the production of eggs was not normal, showing a long interval between laying eggs, producing double yellow eggs, soft shell eggs, strange eggs and small eggs. When the egg production rate rises, it rises rapidly every week and doubles, ie 5%, 10%, 20%, 40%, and 80%. Egg weight and weight gain are also faster, and they are further developed and matured physiologically. Should strengthen management, pay attention to the following aspects of the work:
1. Give calm and stable living environment.
2. Meet the nutritional needs of chickens and increase the calcium content of feeds in a timely manner. Gradually add 2% from 18 weeks to 3.5%.
3. After the chickens are put into production, the weight of the chickens should be synchronized with the egg production rate to maintain long-term high yield. If the weight of chickens slows down or stops growing or even declines, the egg production rate will stop rising or falling, so pay attention to the chickens. Weight and egg production rate, egg weight changes. Pay attention not to replace the egg production peak before 50 weeks of age, and to implement the lighting system carefully, and not to reduce the time and intensity of light arbitrarily.
4. Freshly laid flocks, chickens with an egg production rate of 50% and chickens that reach the peak. As the egg rotates down the fallopian tubes after opening, it is easy to cause fallopian tube inflammation, so it should be administered in the above three stages to prevent fallopian tube inflammation.
5. The optimum temperature for laying hens is 20°C~25°C. Generally, the effect on egg production performance is not significant in the range of 4°C~30°C. Avoid changing the feed or vaccination during the rising period of laying eggs to avoid causing Strong stress response.
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