Farm repro surgery Flashcards
What are the main disadvantages of castration?
Decreased growth rates & FCE
Fattier carcass
From what age must you give anaesthesia for castration in a) bulls and goats b) rams
a) 2 months
b) 3 months
Up to what age can you use an elastrator band? and on what species?
Cattle and sheep, 1 week
What are the main complications of burdizzo castration?
Failure to adequately crush the spermatic cord
Scrotal necrosis
Crushing sigmoid flexure
How do you do burdizzo castration?
draw ball to bottom of sack
spermatic cord against lateral neck of scrotum
clamp 4cm above ball
clamp again 1cm distal to first
Repeat other side but stagger crush marks
How should the owner check the castration is succesful and after how long?
8 weeks
2 hard nuts
Open castration bull - what local would you use? where and how much?
Procain, mainly around the cord but maybe under skin too, 5 ml per ball
How do you do open castration on a bull?
clean scrotum and hands J shaped incision right down to bottom of scrotum through scrotum and tunica vaginalis exteriorise ball twist and pull leave open
How do you castrate a lamb >1 week?
cut off bottom of scrotum (use local)
How do you castrate male piglets? Up to what age
cut and pull
up to 1 week
What kind of organisms often cause infection in castration wounds?
Clostridia
Caesarian is needed if you can’t get what body parts into the birth canal with what equipment?
1 person and a calving jack
head and both elbows
or both stifles
Where do you inject if doing a paravertebral block?
T13, L1, L2, L3
What is the role of clenbuterol in C section?
relax myometrium
What is the main indication for an epidural?
If cow straining lots
