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Flashcards in Castration Deck (42)
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1

Why is a teaser surgery performed?

To detect or aid in the identification of estrus to allow females to be bred by males of greater genetic material

2

What is a 'ridgling' or 'high flanker'?

Cryptorchid

Also 'rig' or 'original'

3

What is the removal of a segment of the ducuts deferens called?

Vasectomy

4

In addition to pregnancy, what does a non-entry teaser prevent?

Dissemination of STDs

5

In which species can the urethral process be removed if calculi are lodged there?

Sheep

6

Where is uethral obstruction most common in the steer?

Distal sigmoid flexure 

7

If warrented, at what age is castration indicated for horses? Farm animals? 

Horse: 1-1.5 years

Farm animals: 10-14 days

8

What type of emasculatome only crushes?

Pincer emasculatome (Burdizzo)

9

Incision of what changes a castration from closed to open?

Vaginal tunic 

Out-pouching of peritoneal lining

10

What type of emasculator is this? 

a. Reimer

b. Plain

c. Burdizzo

d. Serra

e. White 

f. Hausmann

b Plain

11

What type of emasculator is this? 

a. Reimer

b. Plain

c. Burdizzo

d. Serra

e. White 

f. Hausmann

e. White

12

What type of emasculator is this? 

a. Reimer

b. Plain

c. Burdizzo

d. Serra

e. White 

f. Hausmann

Reimer

13

What type of emasculator is this? 

a. Reimer

b. Plain

c. Burdizzo

d. Serra

e. White 

f. Hausmann

f. Hausmann

Smaller than the others

14

Which type of emasculator is best for gelding horses in standing position?

Serra modified

15

T/F: Double ligation when removing the testicle decreases the risk of infection.

False, increases risk

16

Which cells nourish spermatozoa? Which cells produce androgens? 

Sertoli nourish

Leydig produce hormones

17

At birth, foal testis are located in the __________. 

Inguinal canal

In scrotum in 1-2 weeks

18

What are 2 consequences of cryptorchidism?

Reduced sperm production

Aggressive behavior

19

What are the 3 forms of cryptorchidism?

Inguinal 

Abdominal

Incomplete abdominal

20

Which form of cryptorchidism (including the side) is most common in horses?

Left-sided abdominal

21

Is bilateral or unilateral cryptorchidism more common?

Unilateral

22

Does inguinal cryptorchidism more common on the left or on the right?

Right

Abominal= Left; Left testicle is larger so it stays in the abdomen more often

23

Why is it difficult to diagnose an abdominal cryptorchid testicle on rectal palpation?

It is small and soft

24

What is used for the hormonal assay diagnosis of cryptorchidism? What is measured?

Human Chorionic Gonadotropin (hCG)

Testosterone

25

T/F: Cryptorchidism can resolve but it may take up to 1 year wthout treatment.

True

26

What is the most common surgical approach for a cryptorchidectomy?

Dorsal recumbency 

Under GA

27

Which testicle should be removed first when castrating a unilateral ridgling?

The retained testicle 

Abort sx if can't find it

28

What should you find when trying to locate an inguinally retained testicle? Where will you find it?

Gubernaculum

At the cranial medial edge of the inguinal ring

Fibrous structure

29

What is septic funiculitis?

Scirrhous cord formation- a complication that can occur after castration; chronic, low-grade staphylococcal infection that results in formation of abscesses and fibrous tissues

Champignon= Strep infection

30

T/F: Castration is the most frequently performed surgery in horses.

True