Preparing Mares for Foaling
The end of one year and the beginning of another is an exciting time for many breeders, as it likely marks the last trimester of their mares’ pregnancies. Due to the rapid changes that occur in the last few months of gestation, it is imperative that owners monitor mares closely. Udder development, abdominal distension, and presence of vaginal secretions are some of the most important changes to monitor. 

Average gestational length is around 11 months and a week, or 335 to 342 days. However, sometimes the duration is shorter or longer (330 to 360 days or more) with no detrimental effects on the fetus or mare.  


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