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That Guy Drew
Lv 6
That Guy Drew asked in PetsDogs · 9 years ago

How long are female dogs usually in heat?

2 Answers

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  • bluebonnetgranny
    Lv 7
    9 years ago
    Favorite Answer

    21 days or 3 weeks.

    look up

    canine estrus

    she wouldn't be in heat if she had been spayed.

    spay your PET. she is not a puppy factory or a money maker.

  • Vy
    9 years ago

    Proestrus: 4-9 days

    Estrus: 4-13 days

    Source(s): www.squidoo.com
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