The comfortable environment not only enables the chickens to produce maximum production capacity, but also reduces the occurrence of diseases and maximizes economic benefits. 1. For broiler breeding, special attention should be paid to dry and clean litter. During the brooding period, it is best to use a straw as a litter, which is more dry and conducive to raising the temperature; in the medium-sized chicken stage, the temperature should be increased when the temperature is lower than 18°C. 2, reduce the stress response. Too loud voices, transfer groups, vaccination, sudden changes in the weather, and severe deafness are unpleasant stimuli to chickens and can often cause morbidity. Avoid unnecessary catching and disturbing as much as possible during feeding. Transfusion, vaccination, and anti-stress medications can be given prior to treatment to prevent them; the cold stress caused by the drop in temperature is handled well. 3, temperature is one of the main factors in the brooding stage, the appropriate temperature can play the biggest benefits of feed. Low temperatures can cause chickens to develop respiratory illnesses and deaths. Judgment methods are: First, the thermometer is hung at the same height as the chicken temperature measurement, the first week of autumn and winter brooding generally controlled at 35 °C ~ 36 °C, after the weekly reduction of 2 °C ~ 3 °C, Second, according to the chicken's reaction, this is also a problem that the farmer should pay attention to. When the temperature is too low, the chickens scream and pile up. When the temperature is too high, the chickens are dispersed and have wheezing. The temperature is suitable for the birds to be evenly distributed. It is also possible to use a thermometer and sensory combination to determine if the temperature is suitable. 4, the density of the General Assembly caused by imbalance in the growth of chickens, the increase of harmful gases in the air, especially in the autumn, humidity, chickens are susceptible to E. coli, coccidia, staphylococcus, etc., and can make the disease faster. Therefore, broilers are generally controlled at about 10 per square meter. 5. Fresh air in the house can avoid the occurrence of respiratory diseases. Harmful gases or dust in the air can affect the health of chickens and even cause death. The anaerobic bacteria in the house decompose fecal matter and nitrogen-containing organic matter to produce ammonia gas. When the concentration of ammonia gas in the house is 1510-6, people feel uncomfortable. In winter and spring seasons, when carbon stoves are used for thermal insulation, large amounts of carbon monoxide are produced. , Carbon dioxide, hydrogen sulfide and other harmful gases, so should not reduce the normal temperature under the premise of ventilation, reduce the harmful gas and dust in the house.
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