Castration Flashcards
(37 cards)
What are indications for castration?
Behavior, testicular pathology, improves meat quality
What age is best to castrate a horse? A farm animal?
Horse: 1-2yr
Farm: earlier is better (<4mo)
Why are younger animals better candidates for castration?
Easier to restrain, decreased risk of complications
What species is most susceptible to tetanus?
Horses
Promotes appetite and weight gain in farm animals
NSAIDs
What NSAIDs do you use for farm animal castration? Horse castration?
Farm: meloxicam
Horse: bute, banamine
What demographic requires a surgical approach to castration?
Older animals
What are bloodless techniques for castrating ruminants?
Banding and Burdizzo
What do you suture the cord with?
2 absorbable
What do you suture the vessel with?
2-0 absorbable
If you have to tie the limbs down, what do you tie them to?
Back to the horse itself
What local anesthesia should you use for castration?
Lidocaine/carbocaine
How do you have to alter your local anesthetic dose for farm animals and why?
Sensitive - dilute to 0.5% or 1%
What is the complication rate for using emasculators?
10%
What emasculators crush w/a self-retaining ratchet and have a separate lever for cutting?
Reimer emasculators
What tool twists and stretches the spermatic cord until it breaks to minimize hemorrhage?
Henderson castration tool
What emasculators simultaneously crush and cut the spermatic cord?
Serra and White emasculators
Henderson castration tools seal cord and remove the testicle in a _____ technique
Closed
Bloodless castration tool that crushes the cord within the scrotum to result in testicular atrophy
Burdizzo emasculatome
How do you sedate a horse for standing castration?
a2 +/- opioid + local anesthesia
Blocks skin incision and scrotum as well as the spermatic cord itself
Local anesthesia
What are pros of recumbent castration?
Better visualization and safer for surgeon
Scrotal approach 1cm off median raphe through skin and parietal tunic
Open castration
Which castration technique has a higher risk of hydrocele formation and why?
Open - parietal tunic can seal and accumulate fluid within it
