Changes

'''Salmonella'''

'''Salmonella'''

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''Salmonella typhimurium'' and ''Salmonella enteriditis'' are the common causative agents and are often associated with contaminated food and bedding. Diarrhoea may be haemorrhagic, cause septicaemia and can also cause sudden death. Macroscopic pathologic findings include enlarged liver, spleen and lymph nodes containing small white necrotic foci in chronically infected animals but no findings in acute infections.

''Salmonella typhimurium'' and ''Salmonella enteriditis'' are the common causative agents and are often associated with contaminated food and bedding. Diarrhoea may be haemorrhagic, cause septicaemia and can also cause sudden death.  

Macroscopic pathologic findings include enlarged liver, spleen, intestine and lymph nodes containing small white necrotic foci in chronically infected animals. Pregnant animals may have a purulent metritis. There may also be hyperplasia in the Peyer's patch and splenomegally. Microscopically there may be granulomatous hepatitis, splenitis and lymphadenitis with the areas of necrosis are surrounded by mononuclear cells and neutrophils.

There are often no findings in animals with acute infections.

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Diagnosis is via isolation and culture of the ''Salmonella spp'' via faecal samples.<br />

Diagnosis is via isolation and culture of the ''Salmonella spp'' via faecal samples.<br />