How long are Bull Mastiffs usually in heat?, How often do Bull Mastiffs go into heat?

Asked by Member 803277 on Feb 11th 2009 Tagged bullmastiff, heat in Other Health & Wellness
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Every Dog stays in heat 21 days and comes in every 6 mounths. You can preavent the un wanted litters of pups by spaying.

Lexie answered on 2/11/09. Helpful? Yes/Helpful: No 1 Report this answer