15-20 years of age
My dachuand was in heat for 2 weeks.
About a couple of weeks
My dogs first heat cycle lasted about 4 weeks.
As long as there are does in heat.
15 min
A few weeks.
There heat l three weeks like most dogs.
How long was it from the first english colony to the last one?
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.
3 weeks
On average 13-18 years.