Livestock Castrations Flashcards
T or F: local anesthesia- lidocaine is always indicated for castrations
True
What is this and who is it used for
Banding- elastrator- used for animals <3 weeks
What is this and who is it used for
banding- callicrate- used for larger animals past 3 week window, cattle >250lbs
What are the most common complications of banding
Pain, infection
What are these and what are they used for/ how do they work
Burdizzo clamp- crushing tool applied to each cord- testes degenerate and become small
What is one complication of the burdizzo clamp
Repeated if blood supply is not completely cut off
What are these, what/ how are they used
Emasculation- crushed spermatic cord and vessels, then cut
The emasculators must be placed ___ to prevent bleeding out
Nut to nut
What is this, what is it used/ how is it used
Henderson tool- twists cord, crushes it and then breaks off
Elastic recoil of vessels—> vasoconstriction
Improper use of the Henderson tool can lead to massive __
Hemorrhage
What is the correct castration technique
- Clip and prep with Bernadine and alcohol
- Local ax- lidocaine to testicles, spermatic cord, scrotum
- Final prep of sx area
- Cut distal 1/3 of scrotum with scalpel or newberry knife
- Strip spermatic cords
- Ligatures (modified milers)
- emasculators distal to ligatures, crush and cut
what is this
Newberry knife
You do not place ligatures in a castration when using what tool
Henderson tool
Early castration of camelids can result in what
Delayed growth plate closure—> straight legged conformation
When is best time to castrate llamas
After 18 months
When is best time to castrate alpacas
12-18 months
Does this describe the scrotal or pre-scrotal approach: 2 incisions, not sutured closed, standing to recumbent
Scrotal
Does this describe the scrotal or pre-scrotal approach: 1 incision, sutured closed, recumbent anesthesia
Pre-scrotal
In castration of camelids you always ___ and ___ the cord
Clamp and ligate
Besides lidocaine what other medications should be given post castration
- Tetanus
- NSAIDS
- Antibiotics
In what species do you want to close in inguinal rings when doing a castration due to high risk of herniation
Swine
