EQST405: Foaling, The Post Partum Mare, & Placenta

10-11% of body weight of foal

Weight of placenta

chorioallantois, amnion, & umbilical cord

3 components of the placenta

Hippomane

rubbery mass of fetal waste and mucus found in the allanotic fluid

Yolk sac remnant

Allantoic pouches

Amnionic plaques

1 to 1.5cc every hour

Oxytocin treatment for retained placenta

greater than 3 hours

When should you begin treatment for a retained placenta?

Dutch & Burns Technique

2 techniques used for a retained placenta

Dutch technique

Procedure involves infusing water into vasculature of placenta

Burns Technique

Procedure uses water to distend uterine cavity to clean & lavage a mare

Uterine torsion

Very uncommon complication that causes severe colic symptoms & occurs in late gestation

Uterine artery hemorrhage

Complication that occurs in mares that have foaled multiple times & presents soon after foaling; mares should not be rebred

Hydrops

excessive accumulation of fluid in uterus

hydrops

What is likely wrong with this mare?

amniotic & allantoic

2 types of hydrops

foal abnormality

Amniotic hydrops results from what abnormality?

mare abnormality

Allantoic hydrops results from what abnormality?

Not good

Hydrops have what type of prognosis?

encephalocele