Average Gestation
Last Breeding Date: 2023-01-01; Gestation Length (days): 340
Predicted Foaling Date: 2023-12-07 date
Mare Gestation Calculator
Biology0.0(0)
Predicts the foaling date for horses based on the mare's last breeding date.
More tools:Science & Lab Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Last Breeding Date and Gestation Length (days) in the units shown.
Step 2
Read Predicted Foaling Date in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Short Gestation
Last Breeding Date: 2023-01-01; Gestation Length (days): 320
Predicted Foaling Date: 2023-11-17 date
Long Gestation
Last Breeding Date: 2023-01-01; Gestation Length (days): 370
Predicted Foaling Date: 2024-01-06 date
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