In spring, the weather is still cold and there are scarce green feeds. Therefore, in order to obtain high benefits for spring chickens, the following must be done:
Warm and early spring climate is cold and changeable, which brings a lot of inconvenience to chicken production, especially the effect of low temperature on laying hens is very obvious. Therefore, under normal circumstances, the breeding temperature can be maintained at 3°C ​​to 5°C by appropriately increasing the stocking density, closing doors and windows, adding straw curtains, drinking warm water, and heating stoves to keep warm.
In early spring of ventilation, due to the low temperature, the doors and windows of the chicken house are closed tightly and ventilation is reduced. However, harmful gases such as ammonia gas, carbon dioxide and hydrogen sulfide generated from the chicken exhaust gas and chicken manure accumulation will accumulate in the chicken house, and it is easy to induce chickens. Respiratory diseases. Therefore, early 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 in the house. 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.
In early spring, the humidity in the house is low, and the amount of water evaporation is reduced. In addition, the hot air in the house is exposed to the cold roof and the wall will condense into a large amount of water droplets, resulting in excessive humidity in the house and large numbers of bacteria and parasites. Created conditions. Therefore, early spring must be strengthened management, pay attention to keep the house clean and dry, timely repair of damaged sinks, avoid over-filling with too much water, it is strictly forbidden to splash water on the floor.
Disinfection and disinfection work should be carried out throughout the entire process of raising chickens. In early spring, the temperature is low, and the frequency of bacterial activity declines. At this time, the weather is still cold and the resistance of chickens is generally weakened. If you ignore the disinfection, it can easily lead to outbreaks of the disease and cause heavy losses. Therefore, we must do a good job of disinfection and regular disinfection.
Supplementary illumination is the driving force of all life activities. In early spring, it is still a short night, and laying hens often suffer from a lack of light and cause egg production to decline. 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.
Energy-enhancing chickens rely on the energy feeds they eat to obtain heat energy to maintain body temperature. The lower the ambient temperature, the more heat energy the chickens use to protect against the cold. It has been determined that winter and spring chickens consume about 10% more food than other seasons. Therefore, in the early spring chicken feed must ensure adequate energy feed, in addition to ensuring a certain percentage of protein, but also should be appropriately increased high-energy feed containing starch and sugar, in order to meet the chicken's physiology and production needs.
The resistance of strong early spring chickens is decreasing, and special attention must be paid to the prevention of epidemics and disease prevention and regular vaccination. 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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