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All things being equal...good nutrition, and a pristine uterus in a mature, young mare lends itself to earlier foaling. Older virgin mares can be more problematic. A bred immature mare/filly can go longer.
Generally a minimum of 310 days will result in a viable foal, if the pregnancy is normal (no infection, body pregnancy etc.) Nominal is 335-345 days...
Mares can go a full year in foal under certain circumstances and produce a healthy foal.
Plan for an early foal...first foal mares can foal without developing an udder...hope for around 335-345 days.
What else can I help you with?
How long is a mare in foal for?
Mares typically stay pregnant for 11 months, but may give birth up to a month early or late.
How long does a gorilla stay pregnant?
How long do gorilla stay pregnant
How long do hedgehogs stay pregnant?
They stay pregnant up to 31 days.
How does a cat stay pregnant?
Do you mean how long they stay pregnant? if so its 9 weeks.
How long do you stay pregnant on the sims 3 ambitions?
They stay pregnant for 3-4 sim days
How long does an animal stay pregnant for?
well a beluga can stay for 12-15 months that is a long time
How long do dalmatians stay pregnate?
Dalmatians stay pregnant for about 2 months.
Will a mare allow a male to mount her or stay in a heat if she's pregnant?
Yes, it is fairly rare, but a mare may be bred even though she is in foal. She may appear to come into heat and act like she is not in foal, when in reality she has settled. A mare that is in foal and is bred may lose the fetus however.
How long does a snail stay pregnant?
40 weeks
How long does a catfish stay pregnant?
3 years
How long does a snake stay pregnant?
5 months
How long does a crocodile stay pregnant?
2 dyas
