SECONDARY POISONING OF MAMMALIAN PREDATORS DURING POSSUM AND RODENT CONTROL OPERATIONS AT TROUNSON KAURI PARK, NORTHLAND, NEW ZEALAND

摘要: A poison baiting operation at Trounson Kauri Park in Northland, New Zealand using first 1080 and then brodifacoum targeted possums (Trichosurus vulpecula) rodents (Rattus rattus, Rattus norvegicus Mus musculus). Predatory mammals were monitored by radio telemetry during the operation. All six feral cats (Felis catus), single stoat (Mustela erminea) ferret furo) being beginning of died secondary poisoning following further two four stoats through ongoing campaign a continuous regime. None these tagged carnivores poisoning. However, tissue analysis additional trapped found that cats, weasels nivalis) and, to lesser extent, did contain residues. The duration radio-tagged predators alive around suggests effect was much reduced under strategy compared initial __________________________________________________________________________________________________________________________________