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Key Points of Preoperative Preparation for Cesarean Section in Sheep

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Cesarean section is a surgical procedure in which the abdominal wall and uterine wall are incised to extract the fetus through the incision when dystocia occurs. This procedure can be performed on both goats and sheep when necessary. If the ewe's general condition is good and the surgery is timely, it is possible to save both the ewe and the fetus. I. Indications 1. Irreducible uterine torsion. 2. Stenosis or atresia of the cervix. 3. Presence of neoplasms in the birth canal that impede fetotomy, or pelvic deformation due to fracture. 4. It can also be used in cases of pelvic stenosis (where the hand cannot be inserted) and abnormal fetal presentation.

Cesarean section is a surgical procedure in which the abdominal wall and uterine wall are incised to extract the fetus through the incision when dystocia occurs. This procedure can be performed on both goats and sheep when necessary. If the ewe's general condition is good and the surgery is timely, it is possible to save both the ewe and the fetus.

I. Indications

1. Irreducible uterine torsion.

2. Stenosis or atresia of the cervix.

3. Presence of neoplasms in the birth canal that impede fetotomy, or pelvic deformation due to fracture.

4. It can also be used in cases of pelvic stenosis (where the hand cannot be inserted) and abnormal fetal presentation.

5. When hydramnios threatens the ewe's life and artificial abortion is ineffective.

II. Contraindications

1. When peritonitis, metritis, or a putrefied fetus in the uterus is present.

2. When the ewe is severely exhausted due to prolonged dystocia.

III. Preoperative Preparation

1. Surgical site preparation: Clip and shave the hair in the surgical area of the right flank (from the hip joint to the costal arch), then wash with warm soapy water and dry.

2. Restraint and disinfection: Position the sheep in left lateral recumbency, disinfect the skin with iodine tincture, then drape a surgical towel and prepare for surgery.

3. Anesthesia: Combined anesthesia or electroacupuncture anesthesia may be used.

Combined anesthesia involves oral administration of alcohol for general anesthesia while simultaneously performing local anesthesia on the surgical area. The oral alcohol should be diluted to 40%, calculated at 35-40 milliliters per 10 kg of body weight (white liquor may also be used, at the same dosage). Local anesthesia is performed by infiltrating along the incision with 0.5% procaine, with the dosage determined as needed.

Electroacupuncture anesthesia: Select the Baihui and Liumai acupoints. Connect Baihui to the positive electrode and Liumai to the negative electrode. The induction time is 20-40 minutes. Needle sensation manifests as trembling of the lumbar and gluteal muscles and contraction of the intercostal muscles.

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