Livestock Castrations

Question 1

T or F: local anesthesia- lidocaine is always indicated for castrations

Answer 1

True

Question 2

What is this and who is it used for

Answer 2

Banding- elastrator- used for animals <3 weeks

Question 3

What is this and who is it used for

Answer 3

banding- callicrate- used for larger animals past 3 week window, cattle >250lbs

Question 4

What are the most common complications of banding

Answer 4

Pain, infection

Question 5

What are these and what are they used for/ how do they work

Answer 5

Burdizzo clamp- crushing tool applied to each cord- testes degenerate and become small

Question 6

What is one complication of the burdizzo clamp

Answer 6

Repeated if blood supply is not completely cut off

Question 7

What are these, what/ how are they used

Answer 7

Emasculation- crushed spermatic cord and vessels, then cut

Question 8

The emasculators must be placed ___ to prevent bleeding out

Answer 8

Nut to nut

Question 9

What is this, what is it used/ how is it used

Answer 9

Henderson tool- twists cord, crushes it and then breaks off

Elastic recoil of vessels—> vasoconstriction

Question 10

Improper use of the Henderson tool can lead to massive __

Answer 10

Hemorrhage

Question 11

What is the correct castration technique

Answer 11

1. Clip and prep with Bernadine and alcohol
2. Local ax- lidocaine to testicles, spermatic cord, scrotum
3. Final prep of sx area
4. Cut distal 1/3 of scrotum with scalpel or newberry knife
5. Strip spermatic cords
6. Ligatures (modified milers)
7. emasculators distal to ligatures, crush and cut

Question 12

what is this

Answer 12

Newberry knife

Question 13

You do not place ligatures in a castration when using what tool

Answer 13

Henderson tool

Question 14

Early castration of camelids can result in what

Answer 14

Delayed growth plate closure—> straight legged conformation

Question 15

When is best time to castrate llamas

Answer 15

After 18 months

Question 16

When is best time to castrate alpacas

Answer 16

12-18 months

Question 17

Does this describe the scrotal or pre-scrotal approach: 2 incisions, not sutured closed, standing to recumbent

Answer 17

Scrotal

Question 18

Does this describe the scrotal or pre-scrotal approach: 1 incision, sutured closed, recumbent anesthesia

Answer 18

Pre-scrotal

Question 19

In castration of camelids you always ___ and ___ the cord

Answer 19

Clamp and ligate

Question 20

Besides lidocaine what other medications should be given post castration

Answer 20

1. Tetanus
2. NSAIDS
3. Antibiotics

Question 21

In what species do you want to close in inguinal rings when doing a castration due to high risk of herniation

Answer 21

Swine