Reproductive period. The warmth period regarding the female lasts from 18 to 21 times.

The stage that is first called proestrus. It starts with moderate swelling of this vulva and a discharge that is bloody. This can last for about 9 times, though it may differ by a few days. The bitch may attract males, but she is not ready to be bred and will reject all advances during this phase. The phase that is next the estrus. Usually the release decreases and becomes lighter, nearly red, in colour. The vulva becomes extremely enlarged and soft, as well as the bitch shall be receptive... Read The Rest →