Various microorganisms are widely present in nature, and their numbers vary depending on the humidity of the air, the temperature, and the amount of dust. When the temperature and humidity of the pig house are suitable, the more dust in the air, the more microorganisms, that is, the temperature and humidity conditions are also suitable for the growth and growth of microorganisms, and the dust is the carrier of microorganisms. In poorly ventilated or often impervious to sunlight, dust promotes the proliferation of various microorganisms, with up to 1 million bacteria per cubic meter of air. Among the microbial fungi commonly found in pig houses, the amount of Aspergillus flavus and Mucor And more saprophytic bacteria, actinomycetes and so on.
A large number of bacteria in pigs can be transmitted through dust. The dust itself has a direct impact on the health of the pig. Dust falls on the surface of the pig body, forming skin scale, affecting the heat of the skin, causing itchy and even irritated, dry and cracked skin. A large amount of dust falls on the conjunctiva of the eye, causing conjunctivitis. Dust is inhaled into the respiratory tract by the pig, causing conjunctivitis on the nasal mucosa. Dust is inhaled into the respiratory tract by pigs, causing mechanical irritation to the nasal mucosa. More seriously, there are often pathogenic microorganisms on the dust that spread the various diseases of the pig. The dirt in the pig house should be removed in time to avoid dust flying, maintain proper ventilation or regular disinfection.
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