Arizona Infection, Arizonosis

calendar icon 22 March 2019
clock icon 2 minute read


Caused by the bacterium Arizona hinshawii, renamed Salmonella Arizonae. It affects turkeys, mainly in North America, and is not present in the UK turkey population. Mortality is 10-50% in young birds, older birds are asymptomatic carriers. Transmission is vertical, transovarian, and also horizontal, through faecal contamination of environment, feed etc, from long-term intestinal carriers, rodents, reptiles.


  • Dejection.
  • Inappetance.
  • Diarrhoea.
  • Vent-pasting.
  • Nervous signs.
  • Paralysis.
  • Blindness, cloudiness in eye.
  • Huddling near heat.

Post-mortem lesions

  • Enlarged mottled liver.
  • Unabsorbed yolk sac.
  • Congestion of duodenum.
  • Cheesy plugs in intestine or caecum.
  • Foci in lungs.
  • Salpingitis.
  • Ophthalmitis.
  • Pericarditis.
  • Perihepatitis.


Isolation and identification, methods as per Salmonella spp. Differentiate from salmonellosis, coli-septicaemia.


Injection of streptomycin, spectinomycin, or gentamycin at the hatchery is used in some countries. Formerly in-feed medication with nitrofurans was also used.


Eradicate from breeder population, fumigation of hatching eggs, good nest and hatchery hygiene, inject eggs or poults with antibiotics, monitor sensitivity.

More Disease guide

View all


calendar icon 22 March 2019
clock icon 1 minute read


calendar icon 22 March 2019
clock icon 1 minute read
© 2000 - 2023 - Global Ag Media. All Rights Reserved | No part of this site may be reproduced without permission.