1. The warm winter and spring climate is cold and changeable, which brings a lot of inconvenience to the production of chickens, especially the effect of low temperature on laying hens is very obvious. Therefore, under normal circumstances, we can take appropriate increase in breeding density, and close the doors and windows, add straw, drinking warm water and stove heating and other ways to keep cold insulation, so that the minimum temperature maintained at 3 °C ~ 5 °C.
2. Ventilation In winter and spring, due to the low temperature, the doors and windows of the chicken house are closed and the ventilation is reduced. However, harmful gases such as ammonia gas, carbon dioxide, and hydrogen sulfide produced by chicken exhaust gas and chicken manure accumulation will accumulate in the chicken house. Induces diseases such as respiratory diseases in chickens. Therefore, the winter and spring chickens should effectively handle the relationship between ventilation and warmth, timely removal of feces and debris in the chicken house, to ensure clean air. When the weather is good at noon, the windows should be ventilated so that the air in the house is fresh and the oxygen is sufficient to prevent the problem. However, be careful when ventilating. Do not blow cold air directly on the chicken to prevent the chicken from catching a cold.
3. The low ventilation and humidity of the house in the winter and spring of the dehumidification house will reduce the amount of evaporation, and the hot air in the house will contact the icy roof and the wall will condense into a large amount of water droplets, causing excessive moisture in the house, giving bacteria and parasites. The mass reproduction of the worms created the conditions. Therefore, winter and spring must strengthen management, pay attention to keep the house clean and dry, timely repair of damaged sinks, avoid over-filling with too much water, and strictly forbid water to the ground.
4, disinfection and disinfection work should be throughout the entire process of raising chickens. The temperature in winter and spring is low, and the frequency of bacteria activity decreases. However, the winter and spring weather is cold and the chicken's resistance is generally weakened. If you ignore the disinfection, it can easily lead to outbreaks of the disease and cause heavy losses. Therefore, winter and spring must do a good job of disinfection and regular disinfection.
5. Supplemental lighting is the driving force of all life activities. In winter and spring, nights are long, and laying hens often suffer from decreased light production. In order to overcome this Natural defect, artificial supplemental lighting can be used to make up for it. In general, the total time of daylight should not be less than 14 hours, but it should not exceed 17 hours (more than 17 hours will cause chicken physiology disorders). For example, the natural daytime light is 12 hours, and it is necessary to artificially supplement light for 2 hours to 5 hours every day.
6. The energy-enhancing chickens rely on energy feeds that are fed into the body to obtain heat energy to maintain body temperature. The lower the ambient temperature in winter and spring, the more heat energy the chickens use to protect the cold. It has been determined that winter and spring chickens consume about 10% more food than other seasons. Therefore, in the feed of winter and spring chickens must ensure sufficient energy feed, in addition to ensuring a certain percentage of protein, but also should be appropriate to increase high-energy feed containing starch and sugar, in order to meet the chicken's physiology and production needs.
7. The resistance of strong winter and spring chickens is decreasing. Special attention must be paid to the work of prevention and disease prevention, and regular vaccination should be conducted. According to the actual situation, some preventive drugs can be regularly targeted, and the content of vitamins and trace elements in feeds can be appropriately increased, the constitution of chickens can be enhanced, the ability of chickens to prevent diseases and production capacity can be improved, and the aquaculture efficiency can be improved.
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