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犊牛体内抗牛病毒性腹泻病毒的活性抗体和初乳来源被动抗体的持续时间。

Duration of active and colostrum-derived passive antibodies to bovine viral diarrhea virus in calves.

作者信息

Coria M F, McClurkin A W

出版信息

Can J Comp Med. 1978 Apr;42(2):239-43.

Abstract

Duration of active and colostrum-derived passive antibodies to bovine viral diarrhea virus was studied in 14 calves. Five calves born with actively induced antibodies to bovine viral diarrhea virus retained high titers during the year of observation. Colostrum-derived antibodies to bovine viral diarrhea virus in nine calves declined at an expected rate for the first four to six months of age. However, titers of six of these calves increased at five to eight months of age and either remained constant or increased through one year of age. Bovine viral diarrhea virus antibody titers of the other three calves declined at a constant rate to less than 1:4 by nine to 12 months of age.

摘要

对14头犊牛体内抗牛病毒性腹泻病毒的主动抗体和初乳来源的被动抗体的持续时间进行了研究。5头出生时带有主动诱导产生的抗牛病毒性腹泻病毒抗体的犊牛,在观察的一年中保持了高滴度。9头犊牛体内初乳来源的抗牛病毒性腹泻病毒抗体在出生后的头4至6个月以预期的速率下降。然而,其中6头犊牛的抗体滴度在5至8个月龄时升高,并在1岁前保持恒定或升高。其他3头犊牛的牛病毒性腹泻病毒抗体滴度以恒定速率下降,到9至12个月龄时降至1:4以下。

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