Here is a look at what most of us go through when-its-time!
This will give you the dates to schedule ultrasound/palpations, worming, and vaccinations !
Currently, the earliest that an Ultrasound/Palpation can detect a pregnancy is
at 14 days/2 weeks: (but checking at 17 days is better in case you have to re-breed)
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The second Ultrasound/Palpation is now scheduled
for detection of the heartbeat at 28 days/4 weeks: (but the beats can be detected anytime after day 24)
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Give a TT/Flu/SS innoculation and coordinate the timing of 8 week purge worming schedule (if out of alignment)
now at 3 months/84 days/12 weeks:
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1st
Rhinopneumonitis and purge worm
at 5 months/140 days/20 weeks:
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2nd
Rhinopneumonitis and purge worm
at 7 months/196 days/28 weeks:
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3rd
Rhinopneumonitis and purge worm
at 9 months/252 days/36 weeks:
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Give TT/Flu/SS innoculation to booster antibodies in the mare's colostrum. Do last purge worm and now start giving a daily wormer; (this will decrease scalding of the newborn foal) at 10 months/308 days/44 weeks :
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Start watching for the bag to be waxing up;
based on 336 days/48 weeks: (should deliver in 4 or 5 days)
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This is a printable page about the gestation period.