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Persistence of sodium monofluoroacetate (1080) in fox baits and implications for fox management in south-eastern Australia

Gentle, M.N. and Saunders, G.R. and Dickman, C.R. (2007) Persistence of sodium monofluoroacetate (1080) in fox baits and implications for fox management in south-eastern Australia. Wildlife Research, 34 (4). pp. 325-333.

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Publisher URL: http://www.publish.csiro.au
Publisher URL: http://www.publish.csiro.au/paper/WR06163.htm

Abstract

The persistence of 1080 in two commonly used fox baits, Foxoff ® and chicken wingettes, was assessed under different climatic and rainfall conditions in central-western New South Wales. The rate of 1080 degradation did not change significantly between the Central Tablelands and the relatively hotter and drier environment of the Western Slopes. Loss of 1080 from wingettes was independent of the rainfall and climate conditions, with wingettes remaining lethal to foxes for, on average, 0.9 weeks. Foxoff ® baits remained lethal for longer than wingettes under all tested conditions, although their rate of degradation increased generally with increasing rainfall. As a result, areas baited with Foxoff® will require longer withholding periods for working dogs than those baited with wingettes, especially during dry periods. Wingettes may have advantages for use in sensitive areas where long-term hazards from toxic baits are undesirable. We found significant variations in 1080 concentration in freshly prepared baits that may result in efficacy, non-target and regulatory concerns for baiting campaigns. As a result, the superior quality control and shelf-stability of manufactured Foxoff® may be important criteria for favouring its use over freshly prepared bait types. However, use strategies for any bait type must ensure that foxes consume lethal doses of 1080 to avoid potential problems such as the development of learned aversion to baits or pesticide resistance.

Item Type:Article
Corporate Creators:Biosecurity Queensland
Additional Information:© CSIRO.
Keywords:1080; central-western New South Wales; chicken wingettes; fox baits; Foxoff®.
Subjects:Science > Invasive Species > Animals > Animal control and ecology
Veterinary medicine > Predatory animals and their control
Deposited On:28 Apr 2009 03:10
Last Modified:10 Jun 2011 05:31

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