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Volume 20, Number 3 >

A NOTE ON THE DURATION OF NEUTRALIZING ANTIBODY AGAINST AVIAN ENCEPHALOMYELITIS VIRUS IN CHICKENS

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.20.3.45

Title: A NOTE ON THE DURATION OF NEUTRALIZING ANTIBODY AGAINST AVIAN ENCEPHALOMYELITIS VIRUS IN CHICKENS
Authors: SATO, Gihei Browse this author
CHOI, Won-Pil Browse this author
Issue Date: Sep-1972
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 20
Issue: 3
Start Page: 45
End Page: 49
Abstract: Nine adult or young chickens of different flocks naturally exposed to avian encephalomyelitis virus were moved to the laboratory at a very early stage of the exposure and kept separately. Then they were observed for the rise and fall of neutralizing antibody against the virus up to 14~34 months after they had been moved. Two birds with the antibody titers of log neutralization indices of 3.0 and 4.5 showed almost the same titers after 21 months. Seven birds with slightly positive or negative antibody titers (0.6~2.0) at initial stage scarcely gave higher titer during the experiment. Two of the birds became negative after the 5th or 11th month of the observation period. Three birds observed for 30~34 months maintained low but significant levels of antibody with or without intermittent appearances of negative titers.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/1992
Appears in Collections:Japanese Journal of Veterinary Research > Volume 20, Number 3

Submitter: 獣医学部図書室

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