Endometritis is a common disease in dairy cows' production. Once it occurs, cows are difficult to breed or suffer from long-term infertility, resulting in low breeding efficiency and even early elimination. Grasping the prevention and treatment of endometritis is of great significance in promoting the efficiency of dairy industry and increasing income of dairy farmers.
First, the cause
1. Improper midwifery, impaired birth canal; post-partum uterine flaccidation, accumulation of lochia; poor retention of fetal clothing, uterine dislocation, vaginitis, etc. Treatment is not timely and secondary.
2, improper operation, sterilization is not strict when mating, such as insemination of the device on the uterus, the frequency of insemination and the insemination device, cattle genitals, people's arm is not strict disinfection.
Second, the symptoms
1, acute type: the condition is more acute, suffering from cows have systemic reactions, increased body temperature, decreased appetite, mental depression. Flow out of the pussy with phlegm or mucopurulent or bloody, secretions containing necrotic tissue. The uterine wall and uterine horn thicken, contraction is weak, hand pressure is painful. Frequent sepsis, resulting in elimination or death.
2, chronic type: a long illness, generally no systemic reaction. Vulva discharge purulent or mucus secretions, estrus is not regular or estrus. The uterus is hypertrophic and the contraction is weak. The cervix is ​​thicker than normal.
Third, treatment (a) uterine perfusion
When uterine perfusion should pay attention:
1, cattle because of the physiological characteristics, should not use a lot of liquid for uterine lavage, otherwise it is easy to spread inflammation. The general medication does not exceed 20-30 ml at a time.
2. The used drugs require broad-spectrum antibacterial, low irritation, and low water solubility, and can maintain high concentrations in the uterus for a long time. Generally used oil, uterine mucosa absorption slow, you can maintain a higher concentration.
3, with vitamin A, 100 units every other day for 2 to 3 days, can improve the efficacy.
(B) Pleural cavity closure therapy
In the first and second intercostal space (the last rib front) and the depression below the longissimus dorsi, 0.5% procaine and 0.5 ml/kg body weight were used in two separate injections. This method is generally effective on the incomplete uterus, endometritis, after treatment, the fertility recovery rate of up to 96%, is also effective for some ovarian diseases.
(c) Adjuvant therapy
Sometimes, through the rational use of infertile cattle, artificial induction of lactation and other methods can also promote the discharge of inflammation products, improve the symptoms of endometritis. Artificial induction of lactation, generally 6 months can make long-term infertility cows restore fertility, no effect on cervical III degree tear.
(d) Treatment of purulent endometritis
With prostaglandin 4 ~ 8 mg, subcutaneous injection, 1 to 3 days, can drain pus. After the pus is excreted, two courses of treatment are performed according to other methods. Normally, it can be restored 90 days after the pus is discharged.
Fourth, prevention
1. Strengthen feed management, rationally feed, increase minerals, vitamins, and other nutritional factors, and enhance cattle body resistance.
2. Do a good job in epidemic prevention, sanitation and disinfection, and safely receive production to prevent infection.
3, seize the breeding links, the secretions are not normal, and must not be seeded, to be treated after the allocation.
4, once it occurs, it should be treated promptly. The longer the delay, the worse the treatment.
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