Disinfection includes disinfection of the environment, disinfection with pigs, disinfection of all-in and full-out columns, surgical and castration disinfection, and sterilization of animal protection personnel in and out of piggery sterilizers.
Environmental disinfection
Mainly referring to the traffic lanes, the size paths, and the disinfection after the anterior circle in the field, 2% of Caustic Soda or 0.2% to 0.3% of peracetic acid can be used for high-pressure spray disinfection, which is normally twice a month.
Sterilization of the disinfection tank
All kinds of disinfection tanks on the farm use 2% to 3% of fire alkali water, and they should be replaced every 3 days to 4 days. However, proper amount of disinfectant must be kept in the pool. In addition, in order to prevent swine hoof disease, a 1:80 disinfectant can be used in the disinfecting tank, or the two can be used alternately. Personnel entering or leaving the pig house must be disinfected with a shoe sole.
All-in-all-out barrier disinfection
1. First of all, remove all excreta, sewage, and sundries in the column.
2. Thoroughly flush the ceiling, walls and slats from top to bottom with a high-pressure water jet gun.
3. After the water is dry, rinse thoroughly with peracetic acid or formaldehyde or with 2% to 3% hot alkali water. After 10 hours to 12 hours, rinse the bar area thoroughly with clean water. After drying, disinfect with 0.2%~0.3% peracetic acid or 1:800 disinfection.
With pig disinfection
Pigs and reserve pig houses are disinfected once a week; maternity houses are disinfected once or twice a week; nursery houses are disinfected once or twice a week; and finishing houses are disinfected once a week. If an outbreak occurs, the number of disinfections can be appropriately increased.
Surgery, castration disinfection
1. Surgical site first wash with water and dry, then coated with 3% of iodine, wait until dry and then use 70% to 75% of alcohol disinfection, until dry alcohol can be implemented before surgery, postoperative wounds and then painted 3% Iodine.
2. At the time of castration, the incision site is sterilized with 70% to 75% of special alcohol. After the alcohol is dry, castration can be performed. After the end, the knife is painted with 3% iodine.
3. When the tail is broken, the end of the tail should be coated with 3% iodine.
Instrument disinfection
Scalpels, surgical scissors, suture needles, and sutures can be sterilized by boiling or disinfected with 70% to 75% alcohol. The syringe and needle must be boiled and disinfected.
Veterinary anti-epidemic personnel enter and disinfect pig houses
1. The veterinary epidemic prevention personnel must enter the piggery to disinfect the sole in the disinfecting pool and wash their hands in the disinfection basin.
2. Wash your hands in the disinfection basin when you leave.
3. After the veterinary epidemic prevention staff finishes work in a piggery, scrub the syringe and the box around the disinfectant soaked gauze and disinfect the soles and hands before entering another pig house.
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