Bichon female dogs will go into heat for the first time 7-8 months after birth, and then they will go into heat every six months, twice a year. When in heat, the dog’s vagina will have pink liquid, which is The first aunt will last for 10-15 days, during which the breeder can mate the dogs. If you don’t want your dog to get pregnant, you should take appropriate measures, wear menstrual pants, and stay away from the opposite sex.