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Selected Publication:

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Type of publication: Diploma Thesis
Type of document:

Year: 2011

Authors: Jungblut, Carole

Title: Beschreibung der Populationsdynamik der BTV-Vektoren Culicoides spp. mit einem Regressionsmodell.

Other title: Description of the BTV-vector Culicoides spp. population using a regression model

Source: Diplomarbeit, Vet. Med. Univ. Wien, pp. 34.


Rubel Franz

Fuchs Klemens

Vetmed Research Units:
Institute of Food Safety, Food Technology and Veterinary Public Health, Unit of Veterinary Public Health and Epidemiology

Graduation date: 14.03.11

Out of actual interest two blacklight-traps were installed at the Vienna University of Veterinary medecine. One trap was positioned inside the cattle barn the other one beside the horse paddock. Culicoides spp. are proved to be the main vectors for spreading vectorborne diseases like Bluetongue disease and African Horse Sickness. In this diploma thesis a statistical model has been worked out to show the amount of biting midges as a function of environmental parameters. In a first step Cross Correlation Maps have been calculated to evaluate which parameters correlate the best with the Culicoides-catches. Our analysis shows that the parameters, precipitation with r=0,65, global radiation with r=0,60 and temperature with r=0,49 were the most significant for the Indoortrap. The parameters global radiation with r=0,76, temperature with r=0,73 and precipitation with r=0,70 wer the most significant for the Outdoor-trap. The time-period from march 2009 until september 2010 of Culicoides-catches was used for this analysis. The second step contained the integration of those parameters into a Poisson regression to show the population dynamics of the midges. The statistical model explains 89% of the variance for the Indoor- and 92 % of the variance for the Outdoor-population dynamics (temporal resolution 2 weeks).

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