对新西兰泰晤士-科罗曼德尔地区奶牛进行的罗斯河病毒抗体血清学调查。
A serological survey of cattle in the Thames - Coromandel district of New Zealand for antibodies to Ross River virus.
作者信息
McFadden A M J, McFadden B D, Mackereth G F, Clough R R, Hueston L, Gradwell B, Dymond M
机构信息
Investigation and Diagnostic Centre, Wallaceville, Biosecurity New Zealand, Ministry of Agriculture and Forestry, Upper Hutt 5081, New Zealand.
出版信息
N Z Vet J. 2009 Apr;57(2):116-20. doi: 10.1080/00480169.2009.36888.
AIM
To determine if cattle exposed to the southern saltmarsh mosquito (SSM), Aedes camptorhynchus, in the Thames-Coromandel district of New Zealand had been exposed to Ross River virus (RRV).
METHODS
A purposive sampling design was used to test cattle from seven farms located in close proximity to four sites infested with A. camptorhynchus in the Thames-Coromandel district. Sera from 207 cattle were tested for antibodies to RRV, using an ELISA and confirmatory virus neutralisation test (VNT) as the gold standard.
RESULTS
All 207 cattle tested negative for antibodies to RRV using the ELISA and VNT.
CONCLUSIONS
This study found no evidence of exposure to RRV in cattle in locations in the Thames-Coromandel district of New Zealand where populations of SSM were present.
目的
确定在新西兰泰晤士-科罗曼德尔地区接触过南方盐沼蚊（SSM，即海滨伊蚊）的牛是否接触过罗斯河病毒（RRV）。
方法
采用立意抽样设计，对位于泰晤士-科罗曼德尔地区四个有海滨伊蚊滋生的地点附近的七个农场的牛进行检测。使用酶联免疫吸附测定（ELISA）和作为金标准的验证性病毒中和试验（VNT）对207头牛的血清进行RRV抗体检测。
结果
使用ELISA和VNT检测，所有207头牛的RRV抗体均呈阴性。
结论
本研究未发现新西兰泰晤士-科罗曼德尔地区存在海滨伊蚊种群的地点的牛有接触RRV的证据。
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