In cold winter days, with short days and low temperatures, broiler chickens reared in insulated chicken houses are highly metabolized, breathing oxygen and emitting more carbon dioxide, and the faster the growth and development of broilers, the greater the need for oxygen. Specially reared in an oxygen-deficient environment with closed doors and windows, the breeding density is too high, too much carbon dioxide in the house, resulting in lack of fresh air in the house and lack of oxygen, resulting in induced broiler ascites and chronic respiratory diseases.
Reduce the rearing density of large groups of breeding, large chickens, large numbers, chickens in high-density feeding conditions will make the air lack of oxygen, carbon dioxide increased. Especially in the case of high-temperature brooding and high humidity in chickens, the lack of fresh air for a long period of time often results in debilitating and diseased chickens and increased mortality. In breeding houses with high densities, there are increased opportunities for airborne diseases, especially when ammonia levels are high, respiratory diseases are often induced. Therefore, to reduce the rearing density, it is possible to raise 9 chickens of about 1.5 kg per square meter. If the animals are raised on the Internet, the density can be increased by 1 time.
The air inside the house is enhanced and the chickens love and grow well. Because the chicken's body temperature is high, the amount of breathing gas is more than twice that of a mammal, so more oxygen is needed. The only way to solve the problem is to strengthen the ventilation in the house to ensure that there is enough fresh air, and the chicken is lively and healthy and less sick. Ventilation is equal to oxygenation, usually 2 hours to 3 hours ventilation. Every 20 minutes to 30 minutes. Increase the temperature before ventilating, and pay attention to ventilation when the wind does not directly blow to the chicken body, to prevent the chicken from the onset of the disease.
Pay attention to the method of heat preservation Some farms only emphasize heat preservation, neglecting ventilation, closing doors and windows, and not regularly ventilating, causing severe oxygen deprivation in the houses and frequent carbon dioxide poisoning. Especially in the use of coal furnace insulation, the stove sometimes smoke or smoke, more prone to gas poisoning. Even if the normal heating is also fighting oxygen with chicken, it is prone to carbon monoxide poisoning. (Also called gas poisoning), pay special attention. It is best to place the stove in the doorway outside the house, which can effectively prevent harmful gas poisoning.
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