pullorum disease Definition
pul·lo·rum disease (pul lōr′əm, -lôr′-)
noun
a severe, diarrheal disease of young poultry, caused by a bacterium (Salmonella pullorum) and usually transmitted by the infected hen into the egg
Etymology: < ModL (salmonella) pullorum, the infecting bacterium < gen. pl. of L pullus: see poultry

