How Long Do Dogs Stay In Heat. Heat in female dogs usually lasts for 2 to 4 weeks. You will know your dog is no longer in heat when her vulva returns to its normal size and there is no more blood-tinged discharge.
Although this can vary with each individual on average a dog will be in heat for 1 ½ to 2 weeks but this can be shorter or longer. Well you may be surprised to find that there is no simple answer. Female dog in heat behavior.
The researcher observes the months in which the dog heat cycle occurs most is January march and august to October.
How Long Do Dogs Stay in Heat. On average a female dog will come into her first heat between six and 15 months of age. Each estrus lasts for about 21 to 28 days an average of about three weeks though this varies between dog breeds and sizes. Smaller dogs however can go into heat every four months or three times a year.
