Recently, Song Chongjun of Minshan Township in Suining County came to the telephone to report that the sows of his family had oozing out of the vulva at the time of each estrus. After production, they injected oxytocin, penicillin, etc. to promote exclusion and inflammation, but it was useless. The larvae flow out after the piglet is weaned. He asked: What was the disease of the sow and how was it treated? According to Song Chongjun's statement, his family's sow may have suffered from chronic endometritis. Endometritis is mucinous or suppurative inflammation of the uterine mucous membrane and is a common reproductive disorder in sows. Treatment does not often lead to a decline in the sow's farrowing rate and even repeated infertility. The causes of sow endometritis are: (1) Insemination of artificially inseminated rubber insemination tube causes bacterial infection; (2) Poor environment and excessive accumulation of feces; (3) Before artificial delivery, help Production staff arm and equipment are not strictly disinfected; (4) Postpartum placental fragment of sow is retained in the uterus, causing inflammation and inflammation; (5) There is a wound in the uterine canal after delivery, resulting in a large number of germs. In addition, when natural breeding is used, mating boars with diseased sows and mating with other sows will cause other sows to become ill. The recommended treatment plan for Song Lingen, Animal Prevention Station of Qiandeng Town, Kunshan City, is to: (1) Clean and disinfect the vulva of the affected sow during the sow period. Then the sow's uterus is washed with 0.1% potassium permanganate solution, each head is filled with 100 ml (with the method of artificial insemination), rinsed, with 1.6 million international units of penicillin, 1 g of streptomycin dissolved in 20 ml injection In the water, the drug solution is delivered into the uterus with a vas deferens once a day for 2-3 days. (2) After the estrus of the sow, 10 to 15 hours before mating, 800 to 160 million international units of penicillin and 0.5 to 1 gram of streptomycin are dissolved in 20 ml of water for injection, and the drug is poured into the uterus for treatment. . Zhang Shuxing, from the Agricultural Extension Service Center in Xiqiao Township, Suichang County, Zhejiang Province, believes that pigs suffering from chronic endometritis can also be treated with uterine irrigation, in addition to uterine cleansing. (1) Flush after administration. After washing the uterus, intramuscular injection of oxytocin 50 international units, 2-3 hours later, with 0.9% physiological saline 90 ml, plus 2% sodium bicarbonate solution 10 ml, 2 grams each of lincomycin and neomycin are put into the uterus , For 3 consecutive days, wash once a day. (2) Direct intrauterine administration. When the inflammatory substances discharged from the vulva are relatively light, 100 ml of 0.9% physiological saline, 2 g of each of lincomycin and neomycin, and 40 IU of oxytocin can be directly administered intrauterinely. For sows who are frail and ill and have a long duration of illness, sows that have severely affected the farrowing rate should be eliminated in time, and the feeding and management must be strengthened to keep the sanitation and prevent bacterial infection.
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