When it comes to the biological safety of pig farms, many pig farmers and even some veterinarians are still at the level of disinfection. This is not the case. Biosecurity refers to all the measures to kill pathogenic microorganisms in vitro, reduce the chances of organisms infecting pathogenic microorganisms, and cut off the transmission routes of pathogenic microorganisms. These measures can achieve the goal of reducing the pressure of animal infections on pathogenic microorganisms, preventing the spread of diseases, and improving the economic efficiency of farmers. It can be described as a low-input, high-yield, multi-productive initiative. Biosafety measures specifically cover the entire process of raising pigs, which is described in several points.
1 Pig farm layout The pig farm should be sited in a sparsely populated area. Where there are no pig farmers, it is better to have a special farm road away from large roads and railways, and there are few other people passing by. The water source should be convenient and safe. The pig farm should be built on a dry, sunny and ventilated dwarf hillside. Consult the meteorological department firstly for the main wind direction of the local area. It is best to draw a rose pattern of the wind direction throughout the year to find out the main Wind direction, according to the breeding-pregnancy-breast-feeding-conservation-fattening-segregation-disposal area order, from the upwind downward wind direction distribution, the best use of breeding, pregnancy, breastfeeding, conservation, fattening a little three-point distribution, Pull aside enough distance to spread the disease. Even if there is a pig house, it is difficult to spread to other pig houses. The pig houses are best to go east and west, sit south to north, and have windows in the north and south to facilitate daylighting and ventilation. Between pighouses, it is better to have a distance of more than 10 meters. Between the homes and the farms, tree species such as camphor, sweet-scented osmanthus and Phoebe bungeanensis can be used to purify odors and vacuum the noise.

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