New Zealand Journal of Zoology abstracts

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Sodium monofluoroacetate (1080) poisoned jam bait laid for brushtail possums (Trichosurus vulpecula) also kills ferrets (Mustela furo)

H. MOLLER
J. SHOWERS
M. WRIGHT

Department of Zoology
University of Otago
P.O. Box 56
Dunedin, New Zealand

Abstract  We assessed the impact on populations of non-target mammals of a manually applied 1080 "jam" operation targeting possums (Trichosurus vulpecula) in hilly pastoral land south-west of Dunedin in mid-winter 1991. We found no evidence that mice (Mus musculus) were poisoned, but ferret (Mustela furo) numbers apparently declined immediately after poisoning. The removal of small mammalian predators after a poisoning operation could decrease the immediate predation pressure on native wildlife and rabbits (Oryctolagus cuniculus). Observed decreases in bovine tuberculosis reactor rates in deer and cattle herds after some poisoning operations may therefore result from killing of non-target mammals, especially ferrets, rather than possums.

Keywords  1080; jam bait; mustelids; Mustela furo; mice (Mus musculus); conservation; target species; non-target species; Mycobacterium bovis

Received 27 July 1995; accepted 22 January 1996

New Zealand Journal of Zoology, 1996, Vol. 23: 135‚141 0301‚4223/2302‚0135 $2.50/0 © The Royal Society of New Zealand 1996

PDF file of entire paper: medium quality (538K); (scanned from paper original: notes about this process)

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