There are usually two colors for dogs with pyometra. The first is dark yellow, which is mainly purulent secretions without bleeding. The second is reddish brown, which is a mixture of purulent secretions and blood. . The best way to treat pyometra is surgery, where the uterus and ovaries are removed together, and then antibiotics and anti-inflammatory drugs are used. When raising dogs, if the owner does not have any breeding requirements, it is recommended to go to the hospital for sterilization surgery to avoid the occurrence of reproductive system diseases such as pyometra.