How Long Is A Dogs Heat Cycle

My female lab is 20 months old and just finished her 2nd heat cycle about 3 weeks ago.
How long is a dogs heat cycle. But first lets find out how long dogs remain in heat. That being said there are generalities you can expect for when your dog will come into heat. Although this can vary with the individual Dog But first lets find out - how long do dogs stay in heat.
The cycle lasts an average of 12 to 21 days but can be as short as a few days or last as long as four weeks. How long will my dog stay in heat. The first period takes place between 6 months and 1 year of age although this always depends on the type of breed.
Generally this dog heat cycle bleeding appears 2 times per year once every 6. How long between heat cycles for your dog depends on the breed the size and the individual. How long are dogs in heat.
The average age of a dog having her first heat is about 6 months of age but thats not always the case. Summary of the Breeding Dogs Heat Cycle. Heat cycles come at different times for different dogs.
Heat usually lasts between 2-4 weeks. Reproduction in Dogs Explained. But this can vary especially in the beginning so its a good idea to keep track.
This is the longest phase of a dogs heat cycle from 100-150 days at the end of which the entire heat cycle starts again. How long is each cycle. Small breed dogs come into heat sooner often times much sooner than large breed dogs.