The basic method of Artificially assisted ewe to give birth
2021-02-20
After dystocia, the ewes mainly show apathy and weak contraction. After breaking the water, the birth canal is too dry and the uterine mouth cannot be fully opened. Only three fingers can be inserted and the fetus' buttocks can be touched. It can be judged that it is due to the cervix For dystocia caused by stenosis of the mouth, the fetus is too large, and the position of the fetus is not correct, the delivery should be performed in time.
1. Difficult delivery caused by too large lamb or narrow birth canal: pour paraffin oil or warm soapy water into the birth canal of the ewe, and then carefully reach into the birth canal of the ewe, pull the lamb forcibly, and follow the ewe when pulling. And pull. If it cannot be pulled out, the lamb can be broken down with special fetal cutting shears to protect the ewe.
2. Difficult delivery caused by incorrect fetal position: Keep the ewe in a low front posture, push the lamb into the uterus for adjustment, and then pull it out or let the ewe produce by itself.
3. Dystocia caused by abnormal ewes: Exclude factors such as large lambs or incorrect fetal position, and dystocia caused by ewes shrinking and weak. The sagging part of the ewe can be moved back to stimulate uterine contractions. Lambs over 30 minutes are still born. You can inject 2-3 ml of posterior pituitary injection into the ewe or 1-2 ml of ergot injection, or take 1-5 mg of fresh ergot powder.
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