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Zweibr´┐Żcker Nursery News!

Come celebrate the spring 2009 foals with RPSI breeders across North America!

    
    
    

Foaling Facts

"When's she due?" A simple question, right? Your veterinarian inseminates your mare, you celebrate her confirmed pregnancy on ultrasound day, and eleven months later, your mare is huge and glossy and seemingly unconcerned as her "due date" comes and goes, leaving you watching and waiting, wondering when this long-anticipated foal will ever appear.

In fact, while counting 340 or 341 days from a mare's last breeding date is most commonly used to calculate a mare's "due date," the average duration of pregnancy is anywhere between 320 and 370 days. So a mare still pregnant on day 345 is not "overdue", but well within normal range. Remember that the foaling date is picked by the foal, based on development and readiness to be born, not by the mare watching a calander! Read more...


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