Dictionary.com
Thesaurus.com

pullorum disease

American  
[puh-lawr-uhm, -lohr-] / pəˈlɔr əm, -ˈloʊr- /

noun

Veterinary Pathology.
  1. a highly contagious, frequently fatal disease of young poultry caused by the bacterium Salmonella gallinarum (pullorum ), transmitted by the infected hen during egg production, and characterized by weakness, loss of appetite, and diarrhea.


pullorum disease British  
/ pʊˈlɔːrəm /

noun

  1. Also called: bacillary white diarrhoea.  an acute serious bacterial disease of very young birds, esp chickens, characterized by a whitish diarrhoea: caused by Salmonella pullorum, transmitted during egg production

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pullorum disease

1925–30; < New Latin ( Bacterium ) pullorum former name of the bacterium, Latin pullōrum, genitive plural of pullus cockerel, chicken ( pullet )