Mucohemorrhagic diarrhea. Accumulation of loose and runny feces with mucus and frank blood. Pig #675, 11 days post inoculation, day of first observation of mucohemorrhagic diarrhea, 7th day of “B. hampsonii” strain 30599 shedding, feces culture positive (3+ strongly beta-hemolytic “B. hampsonii” strain 30599) on this day, 1.86 × 108 strain 30599 genomic equivalents/g. In inoculated pigs the severity of bloody diarrhea ranged from that containing a few flecks of blood to diffusely hemorrhagic with copious blood and mucus as shown.