Brodifacoum is a bad one 'Dundee' The Regional Council poisoned Rangitoto and Motutapu Island in the Hauraki Gulf
That poison spread right down through the food chain. 300 pukekos and 250 paradise ducks they cleaned out. A lot of baits dropped on the cliffs fell into the water and were eaten by fish which in turn were eaten by seabirds that washed up on the Coromandel Coast here.
Several hundred penguin were handed in dead after the Operation. DOC said starvation, But when finally forced to test them they found that 43% did contain brodifacoum. You can probably still google "Brodifacoum drop on Rangitoto Island and find the texts.
Brodifacoum is far more persistent in the Environment than 1080. A few years back a truck load of it went into the sea at Kaikoura.
3 years later the shell fish were still loaded. I have the papers for this somewhere.
Worse though is it persists in animals such as wild pigs for up to 3 years. Pigs caught in the Marlborough sounds 3 years after a brodifacoum drop were found to be still loaded. Wild pigs clean up all the dead possums rats and dead birds so they are very susceptible.
Aerial drops of Brodifacoum on Mainland NZ are illegal for that same reason.
Bait stations are supposed to be safer but cattle eat bait that has been scraped out on to the ground. Pigs eat poisoned possums, Morepork and weka eat poisoned rats and mice.
Insects seem to be very fond of Brodifacoum. If you investigate the bait in the boxes that have been out for awhile you will find it crawling with insects.
You just have to Google "Brodifacoum Drop On Rangitoto Island" Dundee
Campbell Live makes DOC squirm when he catches them out lying about testing the penguins for Brodifacoum poisoning.
Cyanide we have used for years without problems. I fed my dogs possum carcasses that have been cyanided for many winters.
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