Dystocia in Large Animals Flashcards
Define dystocia and eutocia…
Dystocia: abnormal parturition
Eutocia: normal parurition
What are the stages around parturition?
- Pre-parturient stage
- Parturition
- Puerperium
- Post-patrum period
What are the stage classifications for parturition?
Stage 1:
Positioning of foetus
Dilation of cervis
Expulsion of foetal membranes
Stage 2:
Expulsion of foetus
Stage 3:
Expulsion of placenta
How long does stage 1 of parturition last in the:
- Cow
- Mare
- Ewe
- Doe
- Sow
- Bitch
- Queen
- 6 hours
- 1-4 hours
- 2-6 hours
- 2-6 hours
- 2-12 hours
- 2-12 hours
- 1-12 hours
How long does stage 2 of parturition last in the:
- Cow
- Mare
- Ewe
- Doe
- Sow
- Bitch
- Queen
- 0.5-4 hours
- 0.1-0.5 hours
- 1 hour
- 1 hour
- 4 hours
- 6 hours
- 4 hours
What may orange foetal fluids indicate?
The young has defecated in the sac and indicates presence of hypoxia
What are the major classifications of causes of dystocia?
Maternal
Foetal
Foeto-maternal dispropotion
What should you examine a cow with dystocia for?
General: Dam status Exhausted Milk fever Ill?
Adequate restraint of dam
Floor grip for you and the animal
What should yo include on your initial specific examination for a dystocia case?
Hygiene of vet, dam and environment Lighting Assistance Position of dam: - Sow lying - Cow, mare and ewe standing Vulva, vagina and cervix: - Dilation - Injury - Lubrication Foetus: - Presentation, posture and position - Number - Is it all one foetus - Live or dead - Size in relation to sam
How can you correct dystocia?
Manipulation
Foetotomy
C section
What are the options for anaesthesia in a c section of a large animal?
Epidural Paravertebral Inverted L Line block Sedation General
What should you do with a calf after the head is born?
Rotate the calf 90 degrees and change the pulling direction dorsally
List the 3Ps in foetal disposition…
Presentation
Position
Posture
What is important for the aftercare in dystocia cases?
Mother: Trauma ABs Oxytocin (for expulsion of membranes) NSAIDs
Neonates:
Dip navel
Check colostrum supply