Lab 8: Case Studies (Risco) Flashcards
most common tumor in uterus
lymphosarcoma (not a primary tumor)
causes of persistent CL**
pregnancy
pyometra
mummy
uterus unicornus
receptors for oxytocin upregulated by:
estrogen (so no longer effective after 4d post partum)
what type of hormones cause uterine contraction?
ecbolic hormones
2 types of fetal dropsy. which more common?
hydroallantois (less common) - causes “apple shape”
hydroamnii - causes “pear shape”
vitamin E and selenium deficiency can –>
hydroallantois
hydroallantois tx options
- leave alone until parturition, then monitor at that time (risk: can tear pubic tendon if gets too heavy)
- induce parturition with corticosteroids and prostaglandin (70% give birth w/n 36 hrs)
how does fetal cortisol release –> parturition?
stops placenta from producing progesterone
cervico-vaginal prolapse usually occurs pre or post partum?
pre-partum, due to high estrogen relaxing the vagina
what can cause uterine prolapse?
large calf, hypocalcemia, etc.
1 rule-out for colicky pregnant alpaca
uterine torsion
others: abscess, impaction, etc.
alpaca gestation
335-360d or longer
are alpacas CL dependent to term?
Yes
which horn do alpacas usually have preg. in?
Left (99%)
How to dx uterine torsion
vaginoscopy: only views torsion caudal to uterus
transrectal palp
Try to both!
which side lay animal on for R torsion?
R. then roll up and over while stabilizing fetus by hand
-sedation/general anesthesia may be needed
when does uterine torsion in cow usually occur?
late gestation, causes dystocia
when does uterine torsion in horse usually occur?
late gestation, sometimes at term
when does uterine torsion in alpaca usually occur?
mid to late gestation, sometimes at term
epidermal membrane
extra membrane in camelids
-joins at mucocutaneous junctions
