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Evaluating the risk of the establishment of screwworm fly in Australia

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Atzeni, M.G., Mayer, D.G. and Stuart, M.A. (1997) Evaluating the risk of the establishment of screwworm fly in Australia. Australian Veterinary Journal, 75 (10). pp. 743-745. ISSN 0005-0423

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Article Link: https://doi.org/10.1111/j.1751-0813.1997.tb12259.x


Objective: To investigate probabilities of establishment of screwworm fly throughout the year, for several locations around Australias coastline.

Methods: A simulation model that predicts the spread and economic impact of an established screwworm fly population was modified to include stochastic survival functions, to investigate the risks of the pest actually establishing in this country. The effects of time of year, climate, vegetation and the number of incoming flies or larvae were investigated for four locations around Australia.

Results: Analysis of variance identified a dominant three-way interaction between site, time, and the number of introduced flies. These probabilities are graphed.

Discussion: In southern areas, as exemplified by Fremantle, the cold winters limit survival. A high probability of establishment exists year round in tropical regions, except in areas around the Gulf of Carpentaria and in the Northern Territory where dry weather mid-year would limit survival. Despite these comparatively lower risks, there were no areas or times where reductions in quarantine efforts could be justified.

Item Type:Article
Subjects:Science > Statistics > Simulation modelling
Veterinary medicine > Veterinary parasitology
Live Archive:26 Mar 2024 03:58
Last Modified:26 Mar 2024 03:58

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