The purpose of the sheep farm disinfection is to eliminate the pathogenic microorganisms that are spread in the external environment from the source of infection, cut off the route of transmission, and stop the spread of the disease. Sheep farms should establish a practical disinfection system and regularly disinfect sheep farm soil, manure, sewage, and fur. Sheep house In addition to maintaining dry, ventilated, warm winter and cool in summer, sheep houses should be disinfected in peacetime. Generally, it is divided into two steps: the first step is to perform mechanical cleaning; the second step is to use disinfectant. The sheep house and sports ground should be disinfected once a week. The entire sheep house should be disinfected with 2%-4% sodium hydroxide or one-hundred-hundred and one hundred and eighty-seven thousand to 3,000 sheep. Admission The sheep farm should be equipped with a disinfection room, with UV lamps on both sides of the room and on the top of the room, a disinfection pool on the ground, and a 4% sodium hydroxide solution soaked in sacks or mats. Admission personnel should change shoes and wear special work clothes. Registration. Disinfectant pools are set at the gates, often spraying 4% sodium hydroxide solution or 3% peracetic acid. Disinfection method is to disinfect the liquid to spray the sprayer, spray the ceiling, walls, and ground, and then open the doors and windows for ventilation. Brush the trough and utensils with clean water to remove the disinfectant smell. If the sheep house has a confined condition, when there is no sheep in the house, the doors and windows can be closed, fumigated with formalin for 12 hours to 24 hours, then open the window and ventilated for 24 hours. The volume of formalin is 25 ml per cubic meter of space. ~ 50 ml, add the same amount of water and heat to evaporate. Under normal circumstances, sheep houses are sterilized once a week, and two large disinfections are performed each year. Disinfection of the delivery room is carried out once before lamb production and several times at the peak of lamb production, and once after the lamb production is completed. In the diseased sheep house, the entrance and exit of the isolation house should be placed in sacks or mats soaked with 4% sodium hydroxide solution to prevent the spread of pathogens. ground 10% bleach solution, 4% formalin or 10% sodium hydroxide solution can be used on the soil surface. Sites where dead bodies of diseased animals (such as anthrax) caused by Bacillus are parked should be strictly disinfected. First use the above bleach solution to spray the ground, then dig up about 30 centimeters of surface soil, sprinkle with dry bleaching powder and mix with the soil, and properly transport the topsoil out of the land. stool There are many ways to disinfect the sheep's feces. The most practical method is the biological heat disinfection method, which is to set up a pile of fecal sites 100 meters to 200 meters away from the sheep farm. The sheep will be piled up and sprayed with a small amount of water. Wet mud seals, stacking fermentation for more than 30 days, can be used as fertilizer. Sewage The most common method is to introduce sewage into treatment tanks and add chemicals (such as bleaching powder or other chlorine preparations) for disinfection. The amount depends on the amount of sewage. Generally, 1 to 1 liters of sewage use 2 to 5 grams of bleaching powder.
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