LA Sx, Q3, II
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When a bull weighs less than 500 pounds how is the testicle removed from the scrotum?
by traction with the common vaginal tunics intact
When a bull weighs more than 500 pounds how is the testicle removed from the scrotum?
by traction after incision of the common vaginal tunic
What are some disadvantages of using an emasculatome? What specific type of cow operation do you NOT want to use this in?
- -you go get missed castrations/incomplete castrations
- -within one month of castration you cant actually tell if they are castrated because testicles stay in scrotum
- Feedlot operations DO NOT use this
Why is using elastrator bands expensive for castrating bulls?
tetanus is commonly seen with this so tetanus toxoid must be used twice and therefore the bulls must be worked twice (labor $$)
In a study of weight gain in castrated bulls that were banded versus surgical castration who gained more weight?
the banded patients gained more weight, but the difference was pretty minimal
What species will go into shock if castrated the same way bulls are?
Inguinal hernias are common or uncommon in pigs? and how do we check for them?
- inguinal hernias= very common in pigs
- apply pressure to chest and abdomen while retraining the pig- if there is a hernia you will see it then
What species get prophylactic antibiotics after castration? what antibiotic is used?
- procaine penicillin G
Post-castration in a horse what should you tell the owner and how much exercise should they get?
- -tell owner to check horse frequently for 6-8 hrs after surgery
- -restrict exercise for 12 hours then force them to do some exercise
With post op swelling/edema when will i most likely see it? and when will it go away?
- most obvious 3-4 days post-castration
- resolves in 10 days to 2 weeks
T or F: Infection can occur months after castration?
What are the 2 chronic infections we see and what organism causes them?
- 1. Champignon- strep
- 2. Scirrhous- Staph
How much bleeding after sx is okay? when should you worry?
- 1-2 drops every few mins = ok
- bleeding w/fast drip for >15 mins= NOT OK
When i have alot of post op bleeding but i cant find the bleeder what can you do?
pack scrotum with sterile gauze and suture skin to hold gauze in there- remove in 24-48 hours
what 3 breeds are most at risk to develop eventration/herniations?
drafts, standardbreds, tennessee walkers
What are 3 things that predispose a horse to herniation after sx?
- 1. large inguinal rings
- 2. owner has seen herniation in this patient before
- 3. congenital hernia that already corrected with time
what can you do in a castration to help prevent herniation?
close external inguinal ring
Is peritonitis a common complication of castration? what are 2 other very rare complications?
- no- very rare
- damage to penis and hydrocele also very rare
A hydrocele can result when the surgeon leaves what? and why?
too much vaginal tunic left- the tunics heal together and peritoneal fluid keeps accumulating
What does it mean when an owner says a horse has been "proud cut"?
a stallion has been castrated but is still obnoxious
What is a "high flanker"?
cryptorchid horse where the testicle is in the inguinal canal
If a surgeon only removed the testicles but left the epidiymus would the horse be considered castrated?
yes- for effective castration only the genetic material (testicle) has to be removed
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