Ms sears Fertilization Takes place once the sperm cell and the egg join Only one egg to one sperm cell Pregnancy Average gestation 330 Days about 11 months Gestation The length of pregnancy from conception to parturition ID: 286720
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Slide1
Pregnancy and Parturition
Ms. searsSlide2
Fertilization: Takes place once the sperm cell and the egg join.
Only one egg to one sperm cellSlide3
Pregnancy
Average gestation: 330 Days
about 11 months
Gestation: The length of pregnancy from conception to parturitionSlide4
Pregnancy cont.
Pregnancy may not be visible during the first few months
Tests should be run to make sure
tests include: urine and blood analysisSlide5
Pregnancy cont.
If you have a skilled vet or breeder palpating and ultrasound are also good ways to check.
However, these options can be more expensive and the person running the test must be good at their job.
Teasing
a mare is another option but it is not as accurate Slide6
Parturition
Is the process of giving birth.
In horses this is a generally quick process.
Less than 30 minutes once the water breaksSlide7
Parturition Stages
Parturition happens in three stages:
Stage 1: Labor begins
Stage 2: Foal is born
Stage 3: Placenta is expelled (passed)Slide8
Position
Foal should exit in a diving position
Front feet then head and shoulders.
Foals start to breath as soon as the umbilical cord breaks
Dystocia – Difficult
birthSlide9
Afterwards
Foal: foals usually stand within 30 minutes of being born and is nursing within 2 hours.
Mare: The mare will pass the placenta and begin taking care of the foal quickly after the foal is born
.Slide10
Afterwards cont.
** If the placenta is not passed within 8 hours of the birth then you need to call a vet.**Slide11
Foal Development
At 25 days: heart beat is presentSlide12
Day 40
The foal is now ¾’’ and looks like a four legged animal
Ears, eyelids, and other features are starting to formSlide13
Day 50
Foal is just over an inch long.
Features are becoming more distinct.
Ribs and skull are forming.Slide14
Day 60
Hooves have developed
Foal is starting to resemble a horse.Slide15
Day 80
Sex is visible.
About the size of a chipmunk.Slide16
Day 150
Foal gains a pound every 10 days.
Hair is starting to develop.
Eyelashes are now visible.Slide17
Day 180
Mane and tail have started to form.Slide18
Day 270
Fetus now looks like a foal.
About the size of a German Shepherd.Slide19
Day 320
Lungs have developed enough to support the foal if it was born early.
The hair covering the foal has become coarser. Slide20
Day ~330
Foal is born!