Flashcards in Pig Anesthesia and Surgery Deck (13):
Too much stress (for example, during restraint) can cause/lead to what disease?
Intubation is usually very hard to do in pigs, why is it still carried out in pet pigs/ asian pigs?
B/c they are more brachycephalic, likely to obstruct airways, and have large arytenoids
What is the problem with the pharmacokinetics/dynamics of anesthesia in pigs?
they have a shorter duration of action, and the duration varies w/ breed
Also some drugs have variable effects (ex- Morphine, xylazine have little effect)
How long do you withhold food before surgery?
8-12 hours (including edible bedding)
Which vein(s) is best for vascular access?
Marginal auricular vein
How do you tx malignant hyperthermia?
(IV effective, can do oral prophylactic in high risk breeds)
Where do you inject sedation/premeds?
Inject into cervical muscles or triceps
(inject while head in bucket of food)
What are the premedications/sedation for pigs?
Azaperone + Ketamine
Azaperone + Ketamine + Midazolam
What are induction agents for pigs?
Aflaxan (10-20 min anesthesia, can top up every 10 min)
Ketamine + Midazolam
Extradural anesthesia is used when? where do you inject?
Can be used for amputation of prolapse, castration, or other obstetrical procedures
Insert needle immediately behind L6 in midline and angle caudally @ 20 degrees
Use 60mm needle if <50kg, and 10cm needle if above
When is castration carried out?
not in commercial pigs in UK, but can be carried out by vets under anesthesia
< 7 d in EU
[suture tunic so no herniation]
When should vasectomys be carried out?
For teaser boars
no less than 2 weeks before required for work