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Association between risk of seroconversion of sentinel cattle to bluetongue viruses and Culicoides species (Diptera: Ceratopogonidae) in Queensland, Australia

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Ward, M. P., Doherty, W.M. and Johnson, S.J. (1997) Association between risk of seroconversion of sentinel cattle to bluetongue viruses and Culicoides species (Diptera: Ceratopogonidae) in Queensland, Australia. Preventive Veterinary Medicine, 32 (3-4). pp. 267-274. ISSN 0167-5877

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Article Link: https://doi.org/10.1016/S0167-5877(97)00029-9

Abstract

The association between risk of seroconversion of sentinel cattle to bluetongue viruses and the number of Culicoides brevitarsis Kieffer and C. wadai Kitaoka caught by light traps was investigated using survival analysis. Eight sentinel herds that seroconverted to bluetongue viruses between 1990 and 1994, and for which insect-trapping data were available, were selected for inclusion in the study. These herds were located at six sites along the eastern coast of Queensland, Australia, from approximately latitude 10 °South to 25 °South. C. brevitarsis was detected at all locations where sentinel herds were maintained, whereas C. wadai was detected at only two locations in northern Queensland where four sentinel herds were maintained during the study period. The mean number of C. brevitarsis and C. wadai caught per month was 230 and 21, respectively. A significant (P = 0.05) positive association was found between the risk of seroconversion of sentinel cattle to bluetongue viruses and the number of C. wadai caught in the same month.

Item Type:Article
Keywords:Cattle - microbiological diseases; Bluetongue virus; Culicoides brevitarsis; Australia; Survival analysis
Subjects:Veterinary medicine > Veterinary virology
Veterinary medicine > Veterinary epidemiology. Epizootiology
Veterinary medicine > Diseases of special classes of animals > Cattle
Live Archive:28 Mar 2024 04:57
Last Modified:28 Mar 2024 04:57

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