Depends on the dog. THere are three stages in heat. The each last 3 - 7 days, so that means it last 9 - 21
In fact heat lasts ages even for ever.
As long as there are does in heat.
My dachuand was in heat for 2 weeks.
15 min
A few weeks.
There heat l three weeks like most dogs.
3 weeks
On average 13-18 years.
Yes, it will last as long as there is heat in the centre of the earth.
i think it lasts forever because they keep their body heat and they are always scented
All dogs heat lasts 3 weeks.
A heat wave may last a few days to weeks.Some regions suffer more than others.
A heat wave may last a few days to weeks.Some regions suffer more than others.