75. Small ruminant medicine: rupture of the prepubic tendon, rupture of the uterus, evisceration through vaginal tear, rectal prolapse

Question 1

Rupture of the prepubic tendon Incidence?

Answer 1

Rupture of the prepubic tendon

Incidence

• in older multigravida ewes
• during the last 2 weeks of pregnancy

Question 2

Treatment of the rupture of the prepubic tendon?

Answer 2

Treatment

• assistance is frequently necessary because the lambs are not correctly

presented

• after lambing → euthanasia

Question 3

Rupture of the uterus causes?

Answer 3

Rupture of the uterus

Causes:

• Two-sided hip flexion
• Excessive manipulation, forced traction

Question 4

Clinical signs of rupture of the uterus?

Answer 4

Clinical signs:

• pulse, abdominal breathing, rapid pulse, vocalisation
• frequent abdominal straining
• arterial blood at the vulva
• shock and/or peritonitis

Question 5

Treatment of rupture of the uterus?

Answer 5

Treatment

• Laparotomy

Prognosis

• Repair of the uterine tear is often possible

Question 6

Uterine prolapse incidence?

Answer 6

Uterine prolapse

Incidence:

• immediately after lambing or within 12–48 hours

Question 7

Cause of uterine prolapse?

Answer 7

Cause:

• large singleton foetus + prolonged 2. stage of parturition
• unskilled assistance → pain, abdominal straining→ dystocia

Question 8

Treatment of uterine prolapse and management?

Answer 8

Treatment:
• epidural anaesthesia
• reposition
• Buhner method
• after reposition restraining → invagination?
• AB, NSAID
• probability of re-prolapse → breeding
Management:
• timely correction of the dystocia by a veterinary surgeon

Question 9

Evisceration through vaginal tear incidence?

Answer 9

Evisceration through vaginal tear

Incidence:

• last month of the pregnancy

Question 10

Cause of evisceration through vaginal tear?

Answer 10

Cause:

• often within 30 minutes of concentrate feeding
• excess body condition
• triplet pregnancy
• high-fibre diets are thought to be risk factors

Question 11

Evisceration through vaginal tear Management?

Answer 11

Management:

• CS(C-section)
• shooting the ewe → lambs can survive (5 min.)

Question 12

Rectal prolapse incidence?

Answer 12

Rectal prolapse

Incidence: combined with vaginal prolapse

Question 13

Cause of evisceration through vaginal tear?

Answer 13

Cause:

• excess body condition
• triplet pregnancy
• very sort docked tail

Question 14

Treatment of evisceration through vaginal tear?

Answer 14

Treatment:

• Epidural anaesthesia
• Dexamethasone ↔ abortus or induction of lambing
• Reposition
• Suture pattern → 1,5 cm opening or
• Amputation → >15 cm