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The haze has deteriorated and the environment of livestock and poultry houses has become a breeding ground for germs
Cheng Jianguo said that the effects of hazy weather on livestock and poultry mainly include three aspects: First, the adverse diffusion conditions caused by haze weather exacerbate indoor environmental deterioration of livestock and poultry. The exchange of harmful gases and fresh outdoor air is not smooth, resulting in the rapid accumulation of ammonia, odor, carbon dioxide, etc., which results in a decline in the immunity of livestock and poultry and harms livestock and poultry. The second is that the haze carrier has become a breeding ground and a tool for transmission of pathogens. Particles in the air are a mixture of floating minerals and moisture. When microorganisms attach to them, they provide good growth and reproduction conditions, which are conducive to the proliferation of pathogenic microorganisms and may induce the occurrence of diseases. At the same time, insufficient light and reduced ultraviolet radiation can also lead to more pathogens. "As far as the pigs are concerned, haze weather will lead to an increase in pathogens in the pig houses, and pig diarrhea and asthma will increase." Cheng Jianguo said that insufficient light will also directly or indirectly affect pig production performance, such as mating and pregnant mothers. pig. In addition, when the weather is hazy, the air is humid and you need to pay attention at any time during management.
Strengthen disinfection and proper ventilation
In view of the above hazards caused by hazy weather, Cheng Jiang made the following recommendations: First, we must strengthen the disinfection of livestock and poultry houses. At the same time as routine disinfection, the number of air sterilizations is increased and the spread of pathogenic bacteria in the air is suppressed. When disinfected, it can be sprayed, atomized or sprayed with a hot mist or fumigated. The common feature of disinfectants is that they are very harmful to humans and animals. The ratio of formaldehyde to glutaraldehyde and glutaraldehyde to quaternary ammonia is cheap and effective. It is a good choice in the current situation. In terms of disinfection methods, smaller livestock houses are recommended to use spray; large and high livestock houses are suitable for use with aerosols; fumigation can only be used for empty house disinfection; hot mist is suitable for large livestock houses, although noise Big, but good uniformity. Second, it is necessary to properly strengthen the ventilation of livestock and poultry houses and reduce the accumulation of harmful gases and other pollutants. If the conditions permit, air purification can be enhanced, such as dust removal, heating, and dehumidification. The proper use of quicklime, desiccant, charcoal and other dehumidification, while controlling the frequency of flushing poultry houses and water consumption.
Fog days livestock and poultry breeding to strengthen the disinfection of adequate ventilation
Haze and haze weather is not only harmful to human health, but also has a great impact on livestock and poultry husbandry. If you do not attach importance to this, it is easy to bring adverse consequences to livestock and poultry. Then, in the face of haze, how should farmers manage livestock and poultry? What should you watch out for in management? Cheng Jianguo, a researcher of the Animal Husbandry Institute of Shandong Academy of Agricultural Sciences, gave an answer.