Bluetongue surveillance methods in the United States of America

被引：0

作者：

Dargatz, D ^{[1
]}

Akin, K ^{[1
]}

Green, A ^{[1
]}

Herrero, M ^{[1
]}

Holland, S ^{[1
]}

Kane, A ^{[1
]}

Knowles, D ^{[1
]}

McElwain, T ^{[1
]}

Moser, KM ^{[1
]}

Ostlund, EN ^{[1
]}

Parker, M ^{[1
]}

Schmidtmann, ET ^{[1
]}

Seitzinger, A ^{[1
]}

Schuler, L ^{[1
]}

Stevens, G ^{[1
]}

Tesar, L ^{[1
]}

White, L ^{[1
]}

Williams, L ^{[1
]}

Wineland, N ^{[1
]}

Walton, TE ^{[1
]}

机构：

[1] USDA APHIS VS, Ctr Epidemiol & Anim Hlth, Ft Collins, CO 80526 USA

来源：

Bluetongue, Pt 1, Proceedings | 2004年 / 40卷 / 03期

关键词：

bluetongoue virus; Culicoides; sentinel herds; serology; surveillance; United States of America; vector trapping;

D O I：

暂无

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Historical surveillance for bluetongue virus (BTV) exposure in the United States of America (USA) has relied on periodical serologoical surveillance using samples collected from cattle at slaughter. Most of this surveillance has been focused on the north-eastern portion of the USA due to the lack of competent vectors of BTV in this region. For most of the states tested in this region, the prevalence of seropositive animals has been less than 2%. Recently, a study was conducted in north-central USA using sentinel cattle herds. Results of serological testing showed an increasing gradient of exposure from north to south. In addition, detection of Calicoides sonorensis showed a similar gradient with detection in the northern areas being relatively rare. The results of these studies indicate that cattle herds in the northern and north-eastern areas of the USA are likely to be free of BTV.

引用

页码：182 / 183

页数：2

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