a severe, diarrheal disease of young poultry, caused by a bacterium (Salmonella pullorum) and usually transmitted by the infected hen into the egg
See pullorum disease in American Heritage Dictionary 4
(pə-lôrˈəm, -lōrˈ-)
noun
A contagious, often fatal diarrheal disease of young poultry, caused by the bacterium Salmonella pullorum and usually transmitted by infected hens through their eggs.