how long female dogs stay in heat
From about six months old to through the rest of her life, a female dog will experience estrus, or heat, roughly every six months.eat usually lasts between 2-4 weeks. Early in the cycle, a female dog may not be receptive to male dogs, although some are receptive through the entire cycle. It can be shorter or longer and youâll know the cycle is over when all her vulva returns to its normal size and thereâs no more bleeding or discharge.