Dystocia and Obstetrics in Large Animals - Dr. da Silva

Question 1

What type of lube are you using?

Answer 1

Carboxy Methylcellulose

Question 2

(T/F) You can use both J-Lube and Carboxy Methylcellulose

Answer 2

False, J-Lube may kill the animal if it leaks into abdomen

Question 3

The following are __________ causes:
- Failure of expulsive forces
- Primary uterine inertia (overstretch, small litter, hormone imbalance)
- Secondary uterine inertia (exhaustion)
- Uterine damage (rupture)
- Uterine torsion (also causes obstruction)
- Abdomen (pain, diaphragmatic rupture)
- Obstruction of the birth canal
- Bony pelvis (fracture, breed, neoplasia)
- Soft tissue (adhesions, prolapse, septum)

Answer 3

Maternal

Question 4

The following are __________ causes:
- Failure to initiate birth
- Fetopelvic disproportion
- Oversize
- monster
- Fetal maldisposition
- Malpresentation
- Malposition
- Malposture (ankylosis, contracted tendons)
- Fetal death

Answer 4

Fetal

Question 5

Second stage labor:
- Fetal survival - the time from placental detachment until delivery
- Mare: ________

Answer 5

about 30 mins

Question 6

Second stage labor:
- Fetal survival - the time from placental detachment until delivery
- Ruminants: _______

Answer 6

about 3-6 hrs

Question 7

Second stage labor:
- Fetal survival - the time from placental detachment until delivery
- Dogs:________

Answer 7

about 1-2 hrs

Question 8

Push the fetus back inside the uterus
- Create space for manipulatiosns

Answer 8

Repulsion

Question 9

Turning fetus on its long axis
- Dorso-sacral position

Answer 9

Rotation

Question 10

Rotation on its transverse axis

Answer 10

Version

Question 11

The first two joints bend in the same direction

Answer 11

Front Limbs

Question 12

The first two joints bend in the opposite direction

Answer 12

Hind Limbs

Question 13

You are attending to a cow in dystocia. During the manual examination of the birth canal, you are able to feel a limb of the calf. Which of the following alternatives describes your findings when trying to identify the limb?

Answer 13

• Distal Limb: The distal joint bends in the opposite direction of the next proximal joint
• Front Limb: The distal joint bends in the same direction of the next proximal joint

Question 14

What are the most important “rules of obstetrics”?

Answer 14

• Be clean
• Use lots of lube
• Be gentle