Down 'ere in Devon it came as a zurprize that such things as mink farms exist.
So off to Wiki, who tell me that
More than 50 million mink a year are bred for their fur, mainly in China, Denmark, the Netherlands and Poland.
Mink oil is used in some medical products and cosmetics, as well as to treat, preserve and waterproof leather.
........
Denmark, the world’s largest producer of mink fur, announced on Friday (November 6, 2020) that it will cull its entire population of around 17 million minks to stop the spread of a mutated strain of the virus which has been linked to the animals and resulting in a mutated Covid-19 to 12 humans.
I'm sorry, maybe, for the farmers who will lose their livelihood. About as much as I'm sorry for people smugglers who get arrested.
Apart from that I don't think that the world will suffer much from the loss of mink fur and mink oil.