Food Animal Reproductive Surgery Flashcards
why do we castrate food animals?
prevent poor genetic proliferation
easier management
improve meat quality
when should bulls be castrated?
<1month
why should we castrate when they are young?
easier to restrain
less risk of complications
decreased aggression after castration
when can you use a henderson?
older bulls up to 1000 lbs
what are post-castration concerns?
clean and dry environment
analgesia
+/- antibiotic
fly control
hemorrhage
excessive swelling
evisceration
scirrhous cord
why would vaginal delivery not be possible or unlikely to produce live offspring?
oversized fetus
fetal malposition
inadequate cervical dilation
abnormal pelvic conformation
uterine torsion
hydrops
congenital defect
management of primary disease
from what side is a c section in a cow performed?
left side
what are complications of a c-section?
incisional infection
peritonitis
adhesions
infertility
why is a caslick procedure performed?
obstetrical trauma causing a first degree perineal injury
involves skin and mucosa of vagina or vestibule
when should boars be castrated?
5-7 days
is local anesthetic approved in pig castration?
no
what does band castration cause?
ischemia and subsequent atrophy and necrosis
usually slough within 3 weeks
how can you place lidocaine for boar castration?
0.5ml subq over testicle
0.5ml in spermatic cord
what can you use for analgesia after castration?
flunixin meglumine 1.1 mg/kg iv
which testicle is usually cryptorchid in bulls and bucks?
bulls left
bucks right
what are you removing in a vasectomy?
2-3 cm of vas deferens
where should you make thee hysterotomy incision?
outside of abdomen
what should you give after a c-section?
oxytocin
antibiotics
anti-inflammatories/pain control
what greatly worsens prognosis for a c-section?
emphysematous fetus
how is retention achieved with prolapse repair?
buhner suture
what does a buhner suture provide support for?
vestibulovaginal junction
what is done in a caslick procedure?
remove a strip of tissue at mucocutaneous junction of vulva
suture freshened edges together
