Farmed mink are usually euthanized with carbon monoxide (CO) gas that very quickly renders the animals irreversibly unconscious. From an animal-welfare perspective, it is also an advantage that mink are euthanized in the barn where they live, by people who feed and care for them every day. Food animals, by contrast, must be transported to often distant abattoirs; being loaded and unloaded from trucks and confined in close quarters with many other animals is often the most stressful part of the slaughtering operation for food animals.
Answer by :
Dan Mullen, President of the Nova Scotia Mink Breeders Association
Code of Practice for the Care and Handling of Farmed Mink
By National Farm Animal Care Council, Canada. 2013.