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Dog Heat Cycle Calculator
Track heat cycle phases and next expected heat
Note: Average cycle: 21 days (proestrus 9d, estrus 9d, diestrus). Interval between heats: ~6 months.
Last Heat
Results
⚠️ This calculator is for educational purposes only. Always consult a veterinarian, agronomist, or qualified professional before making health, breeding, or agricultural decisions.
About the Dog Heat Cycle Calculator
Calculate dog heat cycle phases and predict next heat date.