How is the menstrual flow of labradors?

The average heat cycle for all dogs is approximately 3 weeks and since this an average, some heats are shorter (as little as 7-10 days), others are longer (4 weeks or more). read more

Menstrual cycle of dogs last for about 3 weeks and occurs in every 6-7 months. Yes, they do lick their blood, most of it. First week, they are quite inactive and do not bleed much. By 2nd week, bleeding increases and by the third week, it gets over. read more

Most Dogs will have their first menstrual cycle at between 6 months and a year of age. This will then last for an average of 21 days. read more

Most Dogs will have their first menstrual cycle at between 6 months and a year of age. This will then last for an average of 21 days. The Dog will usually only accept a mate between the 7th and 10th day of her season, after she has stopped bleeding. read more