Yorkie Heat Cycle Calculator

Yorkie Heat Cycle Calculator



StageDurationDescription
Proestrus7-10 daysInitial stage marked by vaginal discharge
Estrus5-10 daysFertile period, receptive to mating
Diestrus60-90 daysNon-receptive phase, hormonal changes occur
Anestrus4-6 monthsResting phase, no sexual activity

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