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''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 & 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. On post-mortem, a yellow-white exudate and congestion can be seen throughout the body. 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. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Riemerella anatipestifer」の詳細全文を読む スポンサード リンク
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