Sow uterine stenosis dystocia: This phenomenon occurs in the first sow. Because the sow is too early, the growth and development of the sow is still in progress, the pelvic ostium is too small, and the piglets can not pass through the cervix. Difficult to produce.
Dystocia treatment
1. Sows with a history of dystocia are injected with fetal placenta or cloprostenol 1 day before delivery, or oxytocin is injected on the day of the due date.
2, the labored sows uterine contraction weakness or litter interval more than half an hour can be injected oxytocin, but pay attention to the use of the opening of the cervix.
3, injection of oxytocin is still ineffective or due to fetal oversize, fetal position is not correct, pelvic stenosis and other reasons caused by dystocia should be immediately artificial assisted.
4, artificial assisted birth, to cut the nails, lubricate the hands, arms and disinfection, and then slowly into the vagina as the uterus contraction rhythm; palm up, five fingers together; grasp the pig's two hind legs or jaw; mother When the pig's uterus expands, the piglet begins to pull out the piglet, and stops when the contraction is stopped. The action should be light; after the piglet is pulled out, the piglet should be helped to breathe (the treatment of the suspended piglet: the front and back of the body are placed in the axial direction of the lungs and placed together. Open several times). Intravaginal injection of antibiotics after the birth, while the muscle injection is effective to wait for antibiotics for a course of treatment to prevent the occurrence of metritis, vaginitis.
5. For sows with dystocia, the cause of dystocia should be indicated on the sow card so that the next production can be handled correctly or used as the basis for elimination identification.
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