BLEEDING PROBLEMS IN BITCHES DURING HEAT PERIOD AND HOW TO CONTROL IT Most dogs have their first heat when then are about 6 months old, but this varies a lot and can be as late as 2.5 years old. From then on, most dogs have a heat every 6-7 months (approximately twice a year). Most … Continue reading BLEEDING PROBLEMS IN BITCHES DURING HEAT PERIOD AND HOW TO CONTROL IT