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Salmonellosis - Birds (view source)
Revision as of 14:53, 1 September 2011
, 14:53, 1 September 2011no edit summary
==Introduction==
==Introduction==
''Salmonella'' species have a worldwide distribution and are the most common cause of bacterial diarrhoea in humans and animals.
''[[Salmonella]]'' species have a worldwide distribution and are the most common cause of bacterial diarrhoea in humans and animals.
Many of the species show '''little specificity for their host species'''.
Many of the species show '''little specificity for their host species'''.
===Treatment and control===
===Treatment and control===
Treatment is not recommended as it might favour the '''carrier state'''. '''Testing and breeding''' to assure freedom from infection is recommended.
Treatment is not recommended as it might favour the '''carrier state'''. '''Testing and breeding''' to assure freedom from infection is preferable.
==Fowl Typhoid==
==Fowl Typhoid==
Serological tests are not available.
Serological tests are not available.
===Treatment and control===
===Treatment and Control===
'''Killed vaccines''' are available for infected breeder flocks to reduce egg transmission and to develop pathogen-free flocks.
'''Killed vaccines''' are available for infected breeder flocks to reduce egg transmission and to develop pathogen-free flocks.
Mortality is limited to the first few weeks of age.
Mortality is limited to the first few weeks of age.
Signs include: depression, weakness, anorexia, diarrhoea and dehydration
Signs include: depression, weakness, anorexia, diarrhoea and dehydration.
'''Post-mortem findings''' include: enlarged liver with focal necrosis, enteritis and caecal cores. Infection can localise in the eye and synovial structures.
'''Post-mortem findings''' include: enlarged liver with focal necrosis, enteritis and caecal cores. Infection can localise in the eye and synovial structures.
Isolation, identification and serotyping of the agent involves is necessary. Serology is not reliable.
Isolation, identification and serotyping of the agent involves is necessary. Serology is not reliable.
===Treatment and control===
===Treatment and Control===
'''General hygiene and management control measures''' include: strict sanitation, fumigating the hatched eggs, pelleting of feed, cleaning and disinfection of poultry houses and rodent control.
'''General hygiene and management control measures''' include: strict sanitation, fumigating the hatched eggs, pelleting of feed, cleaning and disinfection of poultry houses and rodent control.
'''Exclusion of wild birds, rodents''' and pets can help prevent entry of the organism.
'''Exclusion of wild birds, rodents''' and pets can help prevent entry of the organism.
'''Antibiotics''' may help prevent mortality but cannot eliminate infection.
'''[[Antibiotics]]''' may help prevent mortality but cannot eliminate infection.
{{Learning
{{Learning
Pattison, M. (2008) '''Poultry Diseases''' ''Elsevier Health Sciences''
Pattison, M. (2008) '''Poultry Diseases''' ''Elsevier Health Sciences''
[[Category:To Do - Helen]]
[[Category:To Do - Review]]
{{review}}
[[Category:Alimentary Diseases - Birds]]
[[Category:Expert Review - Bird]]
[[Category:Zoonoses]]