First, do a good job of daily dairy farm management and disinfection work
Disinfection according to scientific disinfection procedures to improve the disinfection effect. In particular, attention should be paid to timely replacement of the disinfectant pool solution.
1. Environmental disinfection: For the surrounding environment of the barn, the field area and the road can be used 2% -3% of the fire alkali for disinfection, it is best to use a special disinfection vehicle to spray, or sprinkle quicklime disinfection once a week. Sewage pools, sewers, etc. are sterilized once a month with bleaching powder around the field.
2. Disinfection of vehicles and personnel: The entrance and exit gates of cattle farms must strictly control the access of personnel and vehicles. During the emergency epidemic prevention, foreign personnel should be prohibited from entering the production area. During the other hours, they must be strictly sterilized. The whole body of the vehicle is sprayed with drugs and passed through a disinfection tank. The person must wear a gown and a disposable shoe cover, and disinfect the disinfection room for at least 5 minutes before entering the room. Keepers should have regular medical examinations. If they have communicable diseases, they must not enter the production area. They should seek medical treatment outside the court. Spray disinfection and washing hands with 0.2% -0.3% peracetic acid solution or other effective drug solution, disinfectant changed once a day.
3. Cowsheds and utensils disinfection: The cowsheds can be sterilized as a whole by adding disinfectant using an installed spray or sprinkler system. If not installed, disinfection carts can be used for disinfection. Regularly sterilize feeding utensils, feed troughs, feed beds, etc., with 0.1% benzalkonium bromide or 0.2%-0.5% peracetic acid. Daily utensils such as veterinary utensils, midwifery utensils, mating utensils, milking equipment and milk cans should be thoroughly cleaned and disinfected before and after use.
4. With cattle environment disinfection: regularly with 0.1% benzalkonium, 0.3% peracetic acid, 0.1% sodium hypochlorite and other cattle with environmental disinfection. Disinfectant should be avoided when contaminating the milk.
5. Disinfection of bovine body: Before milking, midwifery, breeding, injection and any other contact operation on the cow, the relevant parts should be disinfected.
6. Drinking Water Disinfection: The sink should be brushed at least once a week to keep the drinking water clean. Potassium permanganate can be properly placed to both disinfect and prevent cow diarrhea.
7. Reducing the impact of stress on dairy cows: In northern China, the cold weather in the beginning of spring should be protected against cold and warm weather. At the same time, the transitional work of weaning, transition and perinatal cattle should be done to reduce stress. In the breeding can be appropriately increased fine material, increase nutrient concentration, increase resistance.
Second, do a good job of immunization and quarantine work
1. According to the immunization program, do spring immunization work, so that it should be avoided. In combination with the actual situation in this field, vaccinate the potentially threatened disease and test the immune effect based on the antibody level.
2. Focus on the implementation of immunizations for major diseases and major livestock and poultry infectious diseases. Do a good job in the prevention and quarantine of foot-and-mouth disease, brucellosis and tuberculosis. The vaccine immunization work adheres to "three strict, two accurate, and one without leakage." Namely: strict implementation of the vaccination system, strict disinfection, strict registration; the amount of vaccination should be accurate, injection site should be accurate; not miss a cow.
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