The number of days after bleeding that a dog is fertile can vary depending on the individual dog. On average, most female dogs will go into heat or estrus every six to eight months. This period usually lasts for about three weeks, but the most fertile time for breeding usually occurs around 9-10 days after the onset of bleeding.
During the first few days of bleeding, which is known as proestrus, the female dog may show signs of being in heat such as a swollen vulva, increased urination, and a bloody discharge. However, she is not yet ready to mate during this time. The female dog is not receptive to the male’s advances and will often reject his attempts to mate.
As the heat progresses, usually after about 9-10 days, the bleeding becomes more watery or may even stop completely. This signals the transition to the next phase of the heat cycle, known as estrus. This is when the female dog is at her most fertile and will be receptive to mating with a male. The exact timing can vary, so it’s important to closely monitor your dog’s behavior and physical signs to determine the optimal time for breeding.
It’s worth noting that not all female dogs follow the same timeline and some may have variations in their heat cycles. Some dogs may have shorter or longer heat cycles, and the duration of each phase can also vary. It’s important to track your individual dog’s cycle and consult with a veterinarian for guidance on breeding timing and reproductive health.
In my personal experience, I have had a female dog who typically had a heat cycle lasting around three weeks. Around the 9-10 day mark, her bleeding would taper off, and she would become more receptive to the male dog’s advances. This was usually the optimal time for successful breeding if we were planning to breed her.
To summarize, on average, a female dog is most fertile around 9-10 days after the onset of bleeding during her heat cycle. However, it’s essential to closely monitor your individual dog’s behavior and physical signs as timing can vary. Consulting with a veterinarian for guidance on breeding timing and reproductive health is always recommended.