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尼日利亚奶牛群中的蓝舌病毒。1. 血清学研究及病毒活性与媒介种群的相关性。

Bluetongue virus in a Nigerian dairy cattle herd. 1. Serological studies and correlation of virus activity to vector population.

作者信息

Herniman K A, Boorman J P, Taylor W P

出版信息

J Hyg (Lond). 1983 Apr;90(2):177-93. doi: 10.1017/s0022172400028849.

Abstract

Newborn calves were bled at monthly intervals and examined for serum antibodies to blue tongue virus (BTV). Maternal immunity persisted for 3 months and it was possible to calculate decay rates for virus neutralizing antibody. Calves were subclinically infected with BTV within a few months of becoming susceptible and neutralization tests were used to deduce the serotype responsible. A profile of virus activity was built up over a 12 month period. Frequent light trap catches were used to examine the population dynamics of suspected Culicoides vector species. Two species, imicola and schultzei were present throughout the wet and dry seasons and survival were sufficiently long to account for virus transmission at any time of the year.

摘要

新生小牛每月采血一次,检测血清中蓝舌病病毒(BTV)抗体。母源免疫力持续3个月,因此可以计算病毒中和抗体的衰减率。小牛在易感后的几个月内受到BTV亚临床感染,并通过中和试验推断出致病血清型。在12个月的时间里建立了病毒活性概况。通过频繁的灯光诱捕来研究疑似库蠓传播媒介物种的种群动态。在整个雨季和旱季都有两种库蠓,即伊米库蠓和舒氏库蠓存在,其存活时间足够长,足以解释一年中任何时候的病毒传播。

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本文引用的文献

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Migration strategies of insects.昆虫的迁移策略。
Science. 1972 Mar 24;175(4028):1327-35. doi: 10.1126/science.175.4028.1327.
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