Do a good job of disinfection
Disinfection of empty chicken houses: After each shed is empty, full and complete disinfection of the shed and utensils must be performed before the next row of chickens enters the shed. First, clean the scales of the trough, waterer, exhaust fan, ceiling cage, wall, etc., and then use a high pressure water gun to wash from top to bottom and from inside to outside. The broiler can be sterilized after thorough washing and drying and after necessary maintenance. Disinfect first with 2% sodium hydroxide solution. After 24 hours, rinse with a high-pressure water gun, dry it, and spray-disinfect it once. About 10 days before entering the chicken house, all appliances were placed in a poultry house and closed and fumigated. Before fumigation, check the airtightness of the poultry house to prevent leakage. When fumigation is carried out, formalin is usually 30 ml/m3, potassium permanganate is 15 g/m3, and potassium hyper-mushroom is poured into a corrosion-resistant container first. After adding formalin, the disinfectant should take antivirus when operating it. Mask, quickly left after the operation. After the door and window are closed for 24 hours, open the doors and windows for more than 2 days for ventilation, and use them after exhausting the remaining air. Disinfect chickens in chicken houses: Practice has proved that insisting on spray disinfection of chickens daily or every other day can greatly reduce the occurrence of the epidemic. In the summer there is also a cooling effect. The disinfectant should be carefully selected when disinfecting the chicken. The disinfectant should be used now and used once. The disinfectant solution should be filled with deep well water or boiled water with less impurities. Disinfectants that are not easily soluble in water should be stirred thoroughly to dissolve them.
Petri dish is a type of laboratory vessel used for the cultivation of microorganisms or cells. These dishes come in different shapes, including flat, square, or round at the bottom. It generally consists of a flat disc-shaped bottom and a cover. The materials of Petri dishes are basically divided into two categories, mainly plastic and glass, and glass can be used for plant materials, microbial culture, and animal cell adherent culture. There are disposable and multiple-use plastics, which are suitable for laboratory inoculation, streaking, and isolation of bacteria, and can be used for the cultivation of plant materials.
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