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1080 drops, revised to deal with an explosion of rodents during last year's "mega mast", have yielded contrasting results in Kahurangi National Park.
The Department of Conservation (DOC) said the revision had proved a success overall, nationwide.
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There is more good news about the number of whio or blue ducks living in Fiordland, after a possible record number were found on another tributary of the Dart River.
Department of Conservation contractor Paul Van Klink and his conservation dog Hoki conducted a survey of whio on the Routeburn a week ago. South Westland's Perth Valley has seen a massive drop in predators thanks to the combined effort of aerial 1080 and ground control tools as part of the Zero Invasive Predators (ZIP) program.
"It's been really successful. We've gone down from thousands of possums to very few, we wiped out all but five rats and we've since found and killed four of those and the best news, zero stoats" Duncan Kay, ZIP Operations Director. Read the full story here. The anti-1080 lobby last week released ‘lab tests’ purporting to find the poison in the vermin that washed up in Westport. But do their claims stand up to scrutiny. Dave Hansford investigates the claims and the evidence put forward.
Read it here on The Spinoff: https://thespinoff.co.nz/science/30-11-2019/the-great-westport-rat-mystery/ Results released over the weekend of independent testing of some of the carcasses found in Westport have done little to solve the mystery of what killed over 600 rats
A report has emerged from an unnamed lab that claims to have detected 1080 in the dead rats collected on the West Coast.
The NZ Deerstalkers Association (NZDA) has made incorrect and misleading claims on aerial possum control operations, claims OSPRI.
Funding new high tech traps will reduce the need for 1080 poison, says New Zealand First.
On Thursday, Minister of Conservation Eugenie Sage announced $3.5 million has been invested in developing five new trapping devices. Toxicology shows no presence of 1080 in dead rats that washed up along with other animals on North Beach near Westport this month.
The case is building for the Government to take a serious look at the role genetic technologies could play in New Zealand - even replacing the controversial use of 1080.
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