McChooky
Free Ranging
https://pmc.ncbi.nlm.nih.gov/articles/PMC4052663/Bio-magnification doesn't create new toxins. There will never be more toxins in the maggots eating a raccoon than existed originally in that raccoon
It's functionally the same as chickens eating the raccoon directly, just less efficient because of the energy loss from raccoon to maggot conversion
"the disease spreads through necrophagous flies depositing eggs on dead and toxic animal carcasses. The resulting maggots feed on the carcasses and concentrate the botulinum toxin. When other animals ingest the toxic maggots, they become the next victims (the carcass–maggot cycle)"