Icelandic Horse Connection

Foaling Calculator, Calculate Approximate Due Date

Enter Date Mare Was Bred:

Number of days last pregnancy:

Estimated foaling date:

From a study entitled: REPRODUCTION OF ICELANDIC HORSES KEPT UNDER FREE-RANGE CONDITIONS by Marit Smistad, Szent Istvan University, May 2006:

Gestation period: Some problems are connected to this theme because it is hard to observe the accurate date of birth at the free-ranging horses. The approximate range is from 315 to 390 days, commonly 350 days, showing that the gestation period is somewhat longer in Icelandic mares.

To summarize we can say that free-range bred horses are influenced by nutritional deficiency, leading to somewhat delayed puberty, and in some cases barrenness.
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