There used to be a dedicated govt dept called The NZ Food Safety Authority. That authority set the safety boundaries for poisins like brodi and 1080 etc. They were absorbed into the EPA at about the same time as ERMA. The EPA and its HSNO branch will be able to give you full compliance details.
One other point: The LD50 is the dose rate which will on average kill 50% of the affected population. Bear in mind that a vulnerable person, child, fawn, bird, calf or insect, or you, my be the LD 10 or the LD1. There is no telling. Brodi is cumulative so a number of low doses add up.
Further, based on my research, the meat works and expirters do not as of normal actually routinely test for brodi unless specifically notified of a present risk. Sooner or later the customer in europe,asia or elsewhere will test and find contamination. What of NZ agricultural export industry then. Brodi enters milk too.
I am aware of bait station being knocked over by stock and of a contaminated shipment of mutton which got through before MaF woke up, then did zilch.
The risk to our ag producers is latent, suppressed and looms ever larger.
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