Equine Non-infectious Abortions Flashcards
What are signs of impending abortion?
premature udder developing relaxing/edema of vulva sacrosciatic ligaments softening of the cervix vaginal discharge colic-like signs sweating Can be NO signs
What are signs of impending abortion?
premature udder developing relaxing/edema of vulva sacrosciatic ligaments softening of the cervix vaginal discharge colic-like signs sweating Can be NO signs
What is EED (early embryonic death) classified as?
determined pregnant but lost before 50 days
what is abortion as a definition?
what is pre-term delivery defined as?
300-320 days in the mare
What’s a normal herd average Abortion rate?
5%
Dx of non-infectious abortion
Hx, Fetus, Placenta, mare's blood, colostrum ***culture ***Histopath Maybe rectal or palpation
Dx of non-infectious abortion
Hx,
Fetus, Placenta, mare’s blood, colostrum
What is EED (early embryonic death) classified as?
determined pregnant but lost before 50 days
what is abortion as a definition?
what is pre-term delivery defined as?
300-320 days in the mare
What’s a normal herd average Abortion rate?
5%
Therapy/Process for non-infectious abortions
need to find problem first
AM, NSAIDs, Regumate (P4), clenbuterol (toco), pentoxyphilline
Treat as infectious until proven otherwise
Dx of non-infectious abortion
Hx,
Fetus, Placenta, mare’s blood, colostrum
DDx for non-infecitous abortions (9)
twinning trauma twisted umbilicals uterine pregnancy repro pathology treatments stress PMU type abortion chromosomal stuff
chance of twins surviving
1:300,000
How often do twin conceptions correct themselves?
30% bilateral, 70% unilateral
What is the hypothesis of which emybryo in twins
> 4 mm difference wins and the smaller one dies from deprivation
What are the signs of a twin abortion
bagging up, waxing, leaking milk
If a mare is to abort with twins, when will it be?
after 8 months.
What is possible evidence from fetus/placenta that things were twins?
there will be a lesion on the placenta where the two came together in a large avillous area
fetal maceration in one to make just gelatinous stuff is common
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What happens with a body pregnancy?
placenta doesn’t develop in the horns so the foal will not develop properly. May result in contracted limbs and spinal abnormalities
What is referred to by reproductive pathology causing non-infectious abortions?
placental insufficiency (which is grade 3 biopsy) - endometrial fibrosis, cystic hyperplasia, cervical lesions
how to prevent stress or PMU abortions?
bring the mares to the place that they will foal prior to pregnancy if you can
What do you call the inside out foals?
schistosomas
