Age-related cow disease infertility prevention and treatment
Causes of age-related infertility in cows vary widely and can be broadly divided into congenital infertility and disease infertility.
The current situation is diseased infertility. Disease infertility can be divided into: infertility caused by late body maturation, infertility due to maternal anti-sperm specific immune response, and infertility due to infertility and hormonal disorders caused by reproductive tract inflammation.
Frequently occurring and frequently occurring are mainly infertility caused by inflammation of the reproductive tract causing infertility and hormonal disorders.
First, reproductive tract inflammation caused by infertility
(A) The young cows have latent endometritis and are mainly pregnant for a long time. When they are inspected, the entire uterus is touched by internal tubules, external fertilisers, internal hard and soft external ducts, and the softness of the uterus of healthy young cows is lost. Elasticity, this inflammation is caused by the chronic infection of the lining of the uterus.
Treatment method: Flush the uterus with a solution of 4% of its net 50 ml, interval 12 to 15 days, according to the observation of the secretions, and then use the antibiotics such as penicillin, neomycin, gentamycin, etc. to wash the uterus, and Combined with intramuscular Houttuynia injection 20 ~ 40 ml, usually 2 courses, severe 3 ~ 4 treatment Jiyu.
(b) cervicitis and hyperplasia is mainly caused by vaginitis infection, the majority of artificial insemination, improper operation, poor technology, inexperienced insert gun, cervical injury, lax disinfection and infection.
The genitizer examination: Cervical flushing, congestion, and some swelling and a small amount of strong secretions adhesion in the cervix, and some can see the edge of the cervix thick proliferation.
Prevention: (1) When cold dispensing, attention should be paid to hygiene and disinfection. When injecting guns, gestures should be light, multi-use techniques, and slowly inserting movements to avoid damage to the cervix. (2) 3 to 5 ml of cream agent is injected into the cervix and neck, and kanamycin and gentamycin are used for 2 to 3 courses for healing.
(C) of the production of purulent endometritis of the cow The disease is caused by the placenta of no more than lochia not row clean and uterine residual foreign body residue (such as rotten fetal clothing), etc., often from the vaginal discharge purulent, odor, thin, color grayish yellow Secretions.
Treatment methods: (1) After fully flushing the uterus with green streptomycin plus normal saline, 20 ml of Miyadakang is injected into the uterus. Generally, 2 courses are healed. (2) Chinese medicine therapy: 200 grams of Kuncao, 50 grams of Chinese angelica, 50 grams of peach kernel, 50 grams of vinegar, 50 grams of Chinese wolfberry, 50 grams of Chuanxiong, 30 grams of Salvia miltiorrhiza, 30 grams of safflower, and one cup of black beans. Waiting for warm water.
Second, hormone disorder infertility
Improper breeding, lack of vitamins, proteins, minerals or abrupt changes in the environment, climate change, genital tract inflammation, etc. lead to reproductive dysfunction, hormone disruption and even dysfunction in the body, resulting in ovarian cysts, ovarian static, persistent corpus luteum, ovarian substantive Atrophy and other reproductive diseases.
(A) Ovarian cysts Ovarian cysts can include follicular cysts and corpus luteum cysts.
1. The main manifestations of follicular cysts are abnormal estrus, irregularities in the same period of estrus, prolonged estrus and persistent estrus.
2. The corpus luteum cyst is contrary to the performance of ovarian cysts, with no estrus as the main feature, the direct inspection of the ovary is significantly increased, the ovary has one or more fluctuating vesicles of varying sizes, diameter up to 3 ~ 5 cm.
Treatment: Hormone therapy is used clinically to promote luteinizing hormone, progesterone, chorionic gonadotropin, and gonadotropin releasing hormone. Such as technology can be broken through the vesicle with hand, with antibiotic drug treatment, can also play a therapeutic effect.
(2) The persistent luteal body mainly shows that the estrus cycle has stopped and that it has not been estrus for a long time.
Direct examination: The side of the ovary is enlarged, and the persistent luteal body is in the form of mung bean protruding from the surface of the ovary. The ovaries are slightly harder and the uterus is not checked for pregnancy.
1. Hormone therapy: (1) Prostaglandin 5 to 10 ml intramuscularly, within 5 days of heat. (2) An intramuscular injection of cloprostenol 0.5 to 1 mg will be effective within 7 days. (3) Pregnancy horse blood therapy, blood from pregnant horses that are 40 to 90 days pregnant (aseptic blood collection method) 20 to 40 ml plus adequate amount of sodium brimonate (to prevent blood clotting) subcutaneously or intramuscularly in the neck, daily 1 Second use for 2 to 3 days. (4) placental tissue fluid 20 ml subcutaneous injection, once every 1 to 2 days injection, 8 to 10 days after treatment can be heat.
2. Chinese medicine treatment (including infertility caused by various factors) 45 grams of paper, 30 grams of fennel, Coptis 45 grams, 90 grams of rabbit silk, 30 grams of Epimedium, 25 grams of net Wujing, cinnamon 20 Grams, Kun grass 60 grams, Sichuan off 30 grams, 30 grams of rehmannia. A total of fine 250 grams of rice wine, brewed with boiling water into a porridge-like, waiting for warm irrigation service, with 1-2 agents that is heat. 1 dose after 4 hours of estrous mating, the effect is better.
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