Riemerella anatipestifer is a member of the Flavobacteriaceae family. It is a Gram-negative bacteria that causes septicaemia and death in young ducks and geese throughout the world. There are 21 known serotypes and infection is spread horizontally between birds. Infection may be referred to as Duck Septicaemia, Goose 'flu, Riemerellosis, New Duck Disease and Polyserositis.
Clinical signs and diagnosis
Clinical signs are most commonly seen in birds between the ages of 1–8 weeks old.
Systemic infection is most common, producing a variety of clinical signs. These include diarrhoea, pyrexia, anorexia, stunted growth, respiratory signs (e.g. coughing), neurological abnormalities (e.g. convulsions), and ocular signs. These signs are rapidly followed by death in many birds. Infection may localise in chronic cases.
The signs seen on clinical exam and postmortem are normally sufficient to make a presumptive diagnosis. This diagnosis can be confirmed using laboratory tests such as bacterial culture, PCR and ELISA.
Treatment and control
Both a live and inactivated vaccines are available to control the disease. Good husbandry is also an essential part of disease prevention.
- Riemerella anatipestifer, reviewed and published by Wikivet at http://en.wikivet.net/Riemerella_anatipestifer, accessed 19/09/2011.
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