Moderate ventilation In spring, due to the low temperature, the doors and windows of the house are closed and ventilation is reduced. However, harmful gases such as ammonia gas, carbon dioxide, and hydrogen sulfide produced by the chicken exhaust gas and chicken manure still exist. When the air is polluted, Easy to induce chicken respiratory diseases.
Reducing humidity In spring, the house has less ventilation and less water evaporation, resulting in excessive moisture in the house, creating conditions for large numbers of bacteria and parasites. Therefore, we must strengthen management, beware of bacterial diseases, parasitic diseases, etc., so as to avoid unnecessary losses, it is recommended: regularly add "Bai Cao Qing Qing / intestinal treasure" 500 kg material / bag to prevent enteritis, E. coli and other bacterial diseases, "Juan Guan Qing" 500kg/bag, prevent enteritis, coccidia and so on. At the same time, it is recommended that you add “Yi Li Li Wei†for a long time, 100 kg of material/bag in the first 5 days, 150 kg of material/bag in 5 days, and 250 kg of material/bag in the long term to adjust the balance of chicken intestinal flora and improve feed. Conversion rate, reduce the incidence of intestinal diseases.
Supplementary lighting early spring night is short, long-term due to lack of light will cause egg production rate of laying hens can be artificially supplemented by light to compensate. Under normal circumstances, the total daily light time should not be less than 14 hours, nor more than 17 hours. For example, the natural daytime light is 12 hours, and it is necessary to manually supplement the light for 2 hours to 5 hours each day. The supplemental light is divided into two ways: fill light and segment fill light. One fill light is to make up the necessary light in the morning before morning light or after darkness at night, and the insufficient light time for subsection light fill is divided into two supplies in the morning and evening. Under normal circumstances, the intensity of artificial lighting is preferably 2 watts to 4 watts per square metre.
Increase energy chicken feed on the body to obtain heat to maintain body temperature, the lower the outside temperature, the more heat energy the chicken body uses to protect the cold. It has been determined that the feed consumption of chickens in winter and spring is about 10% to 15% higher than in other seasons. Therefore, in the winter and spring chicken feed must ensure sufficient energy, it is recommended to add 1 bag of 500 kilograms of material and beautiful enzymes, to supplement energy, energy determines the egg production rate, energy determines feed intake.
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