1. The required temperature range of the chicken house to maintain proper temperature laying hens is 8 to 27Â°C, and the optimum temperature is 13 to 24Â°C. Temperatures that are too high or too low are not conducive to egg production. Every 1Â°C increase or decrease will result in production. The egg dropped 1%. In winter, when the outside temperature is low, the temperature of the chicken house should be raised. Insulation measures can be taken to make the stove and block the north window of the house. Generally, the minimum of the house should be kept above 8Â°C.
Second, to maintain constant light illumination is one of the important factors affecting chicken development, the chicken sexual maturity, ovulation and laying a decisive role. It is generally required that the light during the laying period be maintained for 16 hours per day. The light intensity can be increased to 17 hours before the chicken is eliminated 4 weeks, and the optimum light intensity is 5 lux. The winter sunshine is short, especially in cloudy and foggy days, which affects the chicken's feeding, so it is necessary to turn on the lights and supplement the light in time. In addition, you should pay attention to wipe the bulb to prevent the light intensity from becoming weak after the bulb becomes dirty. Try to make the light uniform.
Third, to maintain the appropriate temperature The range of requirements for laying hens is 50 to 70%, and the optimum humidity is 60 to 65%. If the humidity is too low, the chicken body may be dehydrated and respiratory diseases may be caused. When the humidity is too high, the air in the house is often contaminated, and it is easy to cause various diseases. In winter, the temperature is low, the relative humidity in the house is large, and the effects of snow and fog are added. Therefore, it is necessary to adjust the humidity on a sunny day at noon while maintaining the temperature. Usually by controlling the temperature to adjust the humidity, in order to facilitate catching high eggs.
Fourth, do not forget to ventilate due to cold weather in winter, closed chicken house sealed, there will be a large number of harmful gases, such as hydrogen sulfide, ammonia, carbon dioxide, etc., can induce chicken chronic respiratory disease, transmission, throat, rhinitis , E. coli and other diseases, so every day should be appropriate to open the skylight ventilation or set the exhaust fan, while preventing thieves wind infestation. Normally do a good job in environmental disinfection, choose more than two kinds of different disinfection drugs to use alternately, such as 100 poisoning, power iodine, peracetic acid, chlorine preparations, etc., to prevent the spread of various viruses and bacteria.
V. Rationally administering drugs and disease prevention Regular antibody monitoring of laying hens is conducted to timely determine the level of immunity of the flock. Do not blindly use the vaccine. Do not arbitrarily increase the multiple use of the vaccine so as to avoid immune failure or immune paralysis. Avoid atypical new city. The epidemic occurred. When an epidemic occurs, treatment measures should be promptly taken so as to avoid delays in timing of treatment, increase mortality, and increase investment in medication. After entering the winter, susceptibility testing should be conducted promptly for E. coli disease and staphylococcal disease, which have a serious epidemic of bacterial diseases, and high-sensitivity drugs should be selected so that the disease condition can be controlled in a timely manner, while at the same time preventing further serious diseases such as mycoplasma, Newcastle disease and bird flu. Infection, so as not to reduce the egg production rate.
VI. Minimize stress Some chicken farms (households) are very simple in construction. Roofs are often covered with asbestos tiles, linoleum, plastic sheets, etc. In order to avoid stress, the building must be built to be strong to prevent the loud sound caused by the wind, while avoiding the intrusion of dogs, cats, rats and birds. Under stress conditions, 0.02-0.04% of vitamin C can be added to the feed, while electrolysis can be used to maintain a good and stable environment.
VII. Raising Feed Energy Winter temperatures are low, and the energy needed to maintain chickens needs to be increased. Therefore, the energy in the feed should be appropriately increased, and more high-energy feeds such as oil and corn should be added. Some chicken farms (households) used their own ingredients and used a recipe all the time. At the same time, because the content of different raw materials from different sources is not the same, protein, energy, minerals, etc. may be high or low, normal or extraordinary feeding occurs, and the egg production rate declines to varying degrees, and soft eggs and thin preserved eggs are produced. The chickens did not have peaks at all, followed by crown shrinkage, pubic bone contractions, etc. It was suggested that a reasonable full price material should be used, and appropriate energy feeds should be added.
8. Supply of clean drinking water is a nutrient necessary for chicken growth, egg production, and health. It participates in the entire metabolic process of the body. The amount of drinking water varies with the seasons, and is generally 2 times the feed intake in winter. Insufficient diet can reduce the production of eggs by 2 to 10%, and reduce egg weight; drinkers should be cleaned every day to ensure good water quality and create a high-yield drinking water environment.
Nine, timely adjustment of the flock to about 200 days of age, attention should be paid to observe the chicken, chicken cocks shrink, pubic bone contraction, tight feathers, dry legs, dry skin, chest muscles thin and penile penis-shaped chickens were fed alone or eliminated . This can not only save feed but also increase the rate of egg production, while also preventing the spread of other diseases, reducing the number of medications, and thus increasing economic efficiency.
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