Changes

Also known as: '''''Avian Pseudotuberculosis'''

Also known as: '''''Avian Pseudotuberculosis'''

Caused by: ''Yersinia pseudotuberculosis''

Caused by: ''[[Yersinia pseudotuberculosis]]''

==Introduction==

==Introduction==

The causal organism is ''Yersinia pseudotuberculosis'', a '''Gram-negative coccobacillus'''. There are variations in virulence, and its survival outside the body is similar to ''Pasteurella multocida''.

The causal organism is ''Yersinia pseudotuberculosis'', a '''Gram-negative coccobacillus'''. There are variations in virulence, and its survival outside the body is similar to ''[[Pasteurella multocida]]''.

The disease has a '''worldwide distribution''', affecting the various species of '''domestic poultry''' and a wide variety of '''wild and caged birds''' and rodents.  

The disease has a '''worldwide distribution''', affecting the various species of '''domestic poultry''' and a wide variety of '''wild and caged birds''' and rodents.  

'''Young birds''' between 4-10 weeks are more susceptible.

'''Young birds''' between 4-10 weeks are more susceptible.

The bacteria gains entry through the intestinal mucosa or occasionally through breaks in the skin. ''Y. pseudotuberculosis'' can be a normal gut inhabitant of a variety of migratory avian species and this may be relevant to the introduction of pseudotuberculosis into a region.

The bacteria gain entry through the intestinal mucosa or occasionally through breaks in the skin. ''Y. pseudotuberculosis'' can be a normal gut inhabitant of a variety of migratory avian species and this may be relevant to the introduction of pseudotuberculosis into a region.

==Clinical Signs==

==Clinical Signs==

[[Category:To Do - Helen]]

[[Category:To Do - Review]]

[[Category:Alimentary Diseases - Birds]]

[[Category:Expert Review - Bird]]