Persistent luteal refers to the corpus luteum formed after ovulation in the sexual cycle or after delivery, the sexual luteal or gestational corpus luteum persists in the ovary, making the ovary unable to develop normally and not estrus, a maternity disease of livestock. After ovulation, the corpus lute exceeds normal time without disappearing. It is called persistent corpus luteum. According to statistics, infertility caused by persistent corpus luteum accounts for more than 30% of the total number of infertile cows. And measures for prevention and treatment of Chinese and Western medicine.
First, clinical symptoms
The cow does not estrus for a long time, and the ovary can be enlarged when the rectum is examined.
Second, the diagnosis method
If there is no change in the position, size, shape and hardness of the corpus luteum, the corpus luteum can be diagnosed.
Third, treatment measures
1. Western Medical Law
(1) Intramuscular injection of prostaglandin 5~10 mg once a day for 2 consecutive days.
(2) An intramuscular injection was performed daily with pregnant horse serum for 2 consecutive days. . Inject about 30 ml on the first day and about 40 ml on the second day.
(3) Use the pregnant horse serum gonadotropin for subcutaneous injection in the neck, and the dose is used in units of 8 kilograms per kilogram of body weight. Inject once a day for 2 times.
(4) Intramuscular injection was carried out by mixing 1500 to 3500 units of chorionic gonadotropin and 25 ml of physiological saline.
(5) Intramuscular injection is carried out by mixing follicle stimulating hormone 100-200 units and 5-10 ml physiological saline.
(6) Subcutaneous injection was performed with 20 ml of placental tissue fluid at intervals of 5 days.
(7) Intramuscular injection of l0~20 mg of diethylstilbestrol once a day for 2 consecutive days.
(8) Intramuscular injection of 100 mg of progesterone once daily, and 50 mg of diethylstilbestrol dipropionate at the same time for the second and third injections.
2, Chinese medicine law
(1) Use 20 ml of turpentine oil and 20 ml of fish fat, mix it into the milk and apply it once a day for 6 days.
(2) Insert the rectum into the rectum, hold the ovary with the thumb, forefinger and middle finger across the rectal wall, and then find the ligament of the ovary. In the depression of the ovary and the corpus luteum, crush the corpus luteum with the thumb, crush the corpus luteum, and then Press again with your finger for about 5 minutes to prevent bleeding.
YT-S350
YT-S350
Shenzhen Sunshine Technology Co.,Ltd , https://www.szyatwin.com