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Cleaning the uterus is to ensure that cleaning the postpartum cow uterus plays an important role in preventing postpartum placental retention. The irrigable fluid can be 3-4 grams of terramycin powder, diluted with 0.9% normal saline 500-1000 ml, and poured into batches. The uterus until the rinse is clear.
Timely treatment of obstetric disease cow endometritis and vaginitis, after cleaning the uterus and inject antibiotics anti-inflammatory, can be cured soon. Poorly functioning ovaries of ovaries are injected intraperitoneally with 0.5% neostigmine, 2 ml each time, 3 injections, 48 ​​hours apart, and injected into the uterus at the same time as the second injection. Serum gonadotropin 1000 international units, can make more than 80% of ectopic ovarian function of normal cows.
The drug aphrodisiac should negatively increase the mating rate of the cows, and must not passively wait for the natural estrus of the cows. The maternal serum or triad hormones must be used for lactation cows and long-term non-estrus cows. The aphrodisiac rate can be 70%. the above.
Early segregation of early estrus was carried out after 7 days of age in the calf and mothers were segregated. The yak was fed by artificial feeding. This method can promote the cow's early estrus.
Strengthen feeding is the basis for raising cows in the summer. It is necessary to provide cows with full-priced nutritional feed to ensure that they eat well. We must do everything possible to raise the cow's sensation above 70%, encourage the promotion of gratitude, and promote breeding.