It can be frustrating watching mares and predicting when they will foal.
Mares are usually consistent in their foaling pattern from year to year.
Therefore, horse owners and managers should become familiar with each mare and record their observations on the mare's record. It can vary within 20 days either side. Teat nipples fill 4-6 days prior to foaling. Waxing of the teats 2-4 days before. Dripping of colostrum 24-48 hours before foaling.