Diagnosis of highly pathogenic avian influenza in chickens: Bendigo 1992 [Victoria]. [Short contribution]
1993
Forsyth, W.M. | Grix, D.C. | Gibson, C.A. (Victorian Dept. of Agriculture, Attwood (Australia). Victorian Inst. of Animal Science)
On 23 July 1992 an abnormal increase in the number of deaths in 22-23 weeks old broiler-breeder chickens in one shed at a poultry farm was observed. On 28 July, 17 of 4500 chickens had died. An influenza A virus was isolated and identified from the birds. Preliminary typing of the virus suggests it is H7N3 subtype. If confirmed, this is the first recorded case of a virulent avian influenza isolate of this subtype causing disease in chickens.
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