Newshub this week revealed Dora Ryan has been lying low in rural Northland under a new name.
Aussie authorities have a warrant for the arrest of Dora Ryan, who has been found guilty on 33 animal neglect charges.
The farmer has been involved in dozens of animal welfare breaches.
"Why is meth on the dog racing track not treated as seriously as meth on the streets?"
The zoo says while "extremely tough", it was the kindest call.
He says the practice is "gross, archaic and needs to stop".
The animals died in 2019 when a power outage cut the air supply to a number of chicken barns which supplied Tegel.
It comes after the move was heavily criticised online.
"We've now reached a point where enough is enough."