1. The milker must maintain personal hygiene. The nails should be repaired, the work clothes should be washed diligently, and the arm should be washed after each cow is squeezed. Wash the hand with 0.1% bleach and 0.1% benzalkonium chloride solution.
2. Maintain a quiet milking environment. Wash the breasts and nipples sequentially with warm water of 45-50°C and dry them from top to bottom. In the summer (July-September), 3% to 4% sodium hypochlorite can be added to the water.
3. The breast should be massaged after it is washed so that it should be milked after swelling. Machine milking, vacuum pressure should be controlled at 350 ~ 380mmHg, pulse beater control at 60 to 80 times per minute, to prevent empty squeeze.
4. The milk must be squeezed. After the milk is squeezed clean, the breasts are wiped off, and 3% to 4% sodium hypochlorite or 0.5% to 1% of iodophor is infiltrated into the nipple.
5. Before and after the use of milking utensils must be thoroughly cleaned. Wash first with cold water, then rinse with warm water, then wash with 0.5% hot alkaline water, and finally rinse with water; rubber products washed with disinfectant solution bubble.
6. The inner sheath of the milker was disinfected once a week, boiled with 0.25% caustic soda solution for 15 minutes, and continued to soak overnight for 1 night before drying. The teat cup is washed daily with 85°C or more hot water. If the inner sheath cannot be boiled, use 5% caustic soda solution to soak and dry it.
7. First squeezing a healthy cow and then squeezing sick cows; cows within 10 days of delivery, cows suffering from mastitis, must be squeezed by hand and cannot be on the plane. Diseased cow milk can not be squeezed in the cow bed, it is necessary to focus on treatment.
8. For cows who want to stop milk, they should be monitored for recessive mastitis 10 days before breastfeeding and positive cattle for treatment.
9. When breastfeeding, each breast area is given an antibiotic.
10. 1 week before the start of pre-production, start the medicine bath nipple 2 times a day.
11. In order to understand the prevalence of mastitis, a monitoring of subclinical mastitis was performed monthly on lactating cattle during the mastitis epidemic season (July-September).
12. Clinical mastitis disease cattle should be isolated from the masses of cattle, fed separately, milk barrels, towels, post-use disinfection, diseased milk is disinfected and discarded. Timely treatment, return to herd after recovery.
13. For long-standing unrecoverable, intractable mastitis disease cattle should be eliminated in time.
14. Keep the environment clean, the stadium is cleaned in time, the excrement is removed daily, and it is often kept clean and dry.
15. Strengthen technical training for milkers and should remain relatively stable and should not be easily replaced.
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