| risk factors associated with herd-level exposure of cattle in nebraska, north dakota, and south dakota to bluetongue virus. | to evaluate herd-level risk factors for seropositive status of cattle to 1 or more bluetongue viruses. | 2005 | 15934613 |
| surveys for disease agents in introduced elk in arkansas and kentucky. | surveys for disease agents were conducted in introduced free-ranging elk (cervus elaphus nelsoni) in arkansas and kentucky. elk had been captured in colorado and nebraska and released in arkansas during 1981-1985. from 1997 through 2002 elk were captured in arizona, kansas, north dakota, new mexico, oregon, and utah and released in southeastern kentucky. specimens were collected from 170 hunter-killed elk in arkansas during 1998-2006, and 44 elk in kentucky during 2001-2004. significant findings ... | 2010 | 20090032 |
| distribution of culicoides sonorensis (diptera: ceratopogonidae) in nebraska, south dakota, and north dakota: clarifying the epidemiology of bluetongue disease in the northern great plains region of the united states. | the presence or absence of the biting midge culicoides sonorensis wirth & jones (diptera: ceratopogonidae), a primary vector of bluetongue viruses (genus orbivirus, family reoviridae, btv) in north america, was assessed on ranches and farms across the northern great plains region of the united states, specifically nebraska, south dakota, and north dakota, as part of a 2-yr regional study of btv exposure among cattle. blacklight/suction trap samples totaling 280 2-night intervals were taken at 14 ... | 2011 | 21661325 |