12+ Female Dog Has Green Discharge. After giving birth, dogs secrete a discharge which can be of dark green to black color. Other causes of discharge (a bladder.
Unlike cats, dogs experience more discharge during their heat cycle, or estrus phase, but that is only one of the signs indicating your pooch is ready. Hello any discharge in an unswayed female dog is concerning, as it could mean that she has a uterine infection or a urinary tract infection. I knew that is the smell of blood since i'm a surgeons assistant.
If you are having a hard time breeding your dog and you have exhausted all other avenues for promoting fertility, then you should get a medical opinion.
She needs a vet immediately. Even the amount of bloody discharge differs from dog to dog. See this link, and look up pyometra. But with epiphora or excessive tearing, the eyes are, well, just that: