在东亚-澳大拉西亚迁徙路线终点对鸻鹬类候鸟进行高致病性禽流感监测。
Surveillance for highly pathogenic avian influenza in migratory shorebirds at the terminus of the East Asian-Australasian Flyway.
作者信息
Langstaff I G, McKenzie J S, Stanislawek W L, Reed C E M, Poland R, Cork S C
机构信息
EpiCentre, Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand.
出版信息
N Z Vet J. 2009 Jun;57(3):160-5. doi: 10.1080/00480169.2009.36896.
AIM
To determine if migratory birds arriving in New Zealand in the Southern Hemisphere spring of 2004 were infected with the highly pathogenic avian influenza (AI) virus, H5N1.
METHODS
Cloacal and faecal samples were collected from migratory red knots following their arrival in New Zealand in October 2004. Two species of resident sympatric birds, wrybill and mallard duck, were sampled prior to, and following, the arrival of migratory birds.
RESULTS
No AI viruses were isolated from migratory or resident shorebirds. Non-pathogenic AI viruses were isolated from six resident mallard ducks, comprising the endemic subtypes H4 (n=2), H7 (non-pathogenic), H10, and H11 (n=2).
CONCLUSIONS
Highly pathogenic AI H5N1 virus was not detected in migratory shorebirds or sympatric water birds in the Firth of Thames, New Zealand, in 2004-2005, despite the possible proximity of migratory birds to outbreaks of the disease in East Asia in 2004.
目的
确定在2004年南半球春季抵达新西兰的候鸟是否感染了高致病性禽流感（AI）病毒H5N1。
方法
2004年10月候鸟红腹滨鹬抵达新西兰后，采集了泄殖腔和粪便样本。在候鸟抵达之前和之后，对两种同域分布的本地鸟类——弯嘴鸻和绿头鸭进行了采样。
结果
从候鸟或本地滨鸟中未分离出禽流感病毒。从六只本地绿头鸭中分离出了非致病性禽流感病毒，包括地方性亚型H4（n = 2）、H7（非致病性）、H10和H11（n = 2）。
结论
尽管2004年候鸟可能接近东亚地区的禽流感疫情，但在2004 - 2005年期间，在新西兰泰晤士河口的候鸟滨鸟或同域分布的水鸟中未检测到高致病性禽流感H5N1病毒。
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