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Can reproductive diseases of dairy cows affect dairy products?

Posted on: December 6, 2019, by Eleanor
Suggestions on Reproductive Diseases and Prevention of Dairy Cows
Suggestions on Reproductive Diseases and Prevention of Dairy Cows

1. Congenital reproductive diseases

The congenital reproductive diseases of dairy cows mainly exist in the process of selection and breeding, which is closely related to the staff's sense of responsibility and professional and technical level. Conditions in dairy farms can affect the occurrence of congenital reproductive diseases. From these factors, the direct causes of congenital reproductive diseases in dairy cows are the operation of artificial insemination technology, nutrition facts, and management level.

Given the innate reproductive diseases of dairy cows, we should take targeted prevention and control measures. First, we should strengthen the nutrition management in the process of dairy cattle feeding, ensure the living environment of dairy cows, and meet the growth and pregnancy requirements of dairy cows. Secondly, the staff of the cattle farm should earnestly learn the knowledge of artificial insemination, reduce errors in the operation process, and improve the fertility rate of cows.

2. Acquired reproductive diseases

Dystocia
It is necessary to check the fetal position for the first time, check the survival of the fetus, and check the condition of the cow. If the heart rate of the cow is too fast or too slow, the necessary measures should be taken to control the heart rate. If the cow's amniotic fluid ruptures for a long time and still does not produce jeans smoothly, it can not force dragging midwifery, it is necessary to use lubricant before midwifery. If the fetus is too large, a cesarean section should be performed. Correct management of dystocia is conducive to cow health and postpartum recovery and reduces the incidence of endometritis and placenta retention.

3. Ovarian diseases
Ovarian diseases include persistent corpus luteum, ovarian cysts, ovarian dysfunction or hypofunction, salpingitis. Cows with this disease have prominent corpus luteum on their ovaries, hard, smooth uterine surfaces and no contractile response to contact. Generally, follicle-stimulating hormone or prostaglandin injection is used. After suffering from an ovarian cyst, the cow symptoms are long-term estrus but infertility, and the ovary volume becomes larger. It can be injected with VA, VE or luteinizing hormone. Ovarian dysfunction or hypofunction is usually treated with the follicle-stimulating hormone, while salpingitis is usually treated with penicillin and streptomycin injection.

4. Endometritis
Endometritis affects estrus, ovulation, and pregnancy in female cows, and may even lead to infertility. The main reason for this disease is the hidden danger of environmental hygiene in the dairy cow production process, which can cause the infection of cow's sexual organs. Cows suffer from this disease will show signs of increased body temperature, loss of appetite, reduced milk production, mental malaise. In severe cases, purulent or brown or red secretions of the vagina will flow out, and shortness of breath will also occur.

The traditional method is antibiotic therapy, but it can not be used for a long time. Long-term use will lead to certain resistance to bacteria. It is better to take preventive measures and then take medication to assist. We also need to strengthen the monitoring and management of dairy cows before dairy production, to keep the living environment of dairy cows clean. At the same time, we should do a good job of disinfection measures in cattle breeding and carefully deal with the uterus of dairy cows after delivery. For those cows suffering from fibrin endometritis, do not just rinse, we also need to inject antibiotics into the uterus and feed uterine anti-inflammatory powder.

5. Retention of placenta
After 12 hours of calving in cows, the placenta is not completely ruled out, that is, the placenta is not retained. After this happens, the cow's body temperature will be higher than the normal body temperature, mental depression, loss of appetite and other conditions. The causes of retained placenta in cows may be inadequate exercise or dystocia during pregnancy, or malnutrition during pregnancy.

To avoid placenta retention, the dietary structure of cows should be adjusted 15 days before dairy production, and more foods with high protein content and low calcium content should be fed. For some weak cows or those with a history of placenta retention, VD3 should be injected one week before delivery. Drugs can also be injected, such as pituitrin or oxytocin, to allow cows to expel the placenta quickly after production, and if not, to remove the placenta manually.

6. Obesity Syndrome in Dairy Cows
Choline preparations can be added to the feed to alleviate the symptoms. Then the disease was cured by injecting a mixture of glucose solution, sodium bicarbonate injection, and sodium caffeine injection.

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