Physicochemical
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(S)
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(S)
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(S)
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| Stability of Infectivity (effects) |
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1:500
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<2.0 dex
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5.6 dex
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| Virion Morphology |
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Passes 200 nm regularly; 100 nm on several occasions
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nm
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nm
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Millipore filtration
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| Morphogenesis |
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| Hemagglutination |
No
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SMB; blood; liver; and carcass ext. by sucrose-acetone;
acetone-ether
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Goose
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CF, NT
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