Stool And Mucus Genital Warts What Could Be Causing My Dog To Have Blood/mucus In His Stool And Occasional Vomitting?

What could be causing my dog to have blood/mucus in his stool and occasional vomitting? - stool and mucus genital warts

I have a 1 1 / 2 years, Pit Bull During the last 2 weeks or so of blood in the stool and / or mucus had. BM are not yet all. He also had vomiting occaisional. He does not act sick, lost weight and appeitite is normal. What could be causing this?