Isolation of two turkey influenza viruses in Oregon

Two influenza viruses were isolated from turkeys in Oregon in 1970 and 1971. A/Turkey/Ore/70 produced approximately 11% deaths in mature turkeys and a 50% decline in egg production. It was antigenically similar to A/Turkey/Wis/66 virus. A/Turkey/Ore/71 resulted in less than 1% deaths in mature turke...

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Veröffentlicht in:	Avian diseases 1972-10, Vol.16 (5), p.1133-1136
Hauptverfasser:	Beard, C.W, Helfer, D.H
Format:	Artikel
Sprache:	eng
Schlagworte:	Allantoic fluid Animals Antigens Antigens, Viral - analysis Antiserum Case Reports Cells, Cultured Chick Embryo Chickens Chickens - immunology Embryos Flocks Hemagglutination Tests Immunodiffusion Influenza A virus Lungs Oregon Orthomyxoviridae Orthomyxoviridae - immunology Orthomyxoviridae - isolation & purification Orthomyxoviridae Infections - microbiology Orthomyxoviridae Infections - veterinary Poultry Diseases - microbiology Turkeys Virus Cultivation Viruses
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Beschreibung
Zusammenfassung:	Two influenza viruses were isolated from turkeys in Oregon in 1970 and 1971. A/Turkey/Ore/70 produced approximately 11% deaths in mature turkeys and a 50% decline in egg production. It was antigenically similar to A/Turkey/Wis/66 virus. A/Turkey/Ore/71 resulted in less than 1% deaths in mature turkeys. Egg production was reduced to approximately 30% of its original level. A/Turkey/Ore/71 hemagglutinin was not antigenically similar to the hemagglutinin of any of the avian influenza viruses known to have occurred in North America within the last fifteen years. Hemagglutination by A/Turkey/Ore/71 was inhibited by fowl plague antiserum.
ISSN:	0005-2086 1938-4351
DOI:	10.2307/1588841