The Notebook star, a well-known animal lover, has written a letter to the US Department of Agriculture (USDA) on behalf of PETA.
In the letter he takes on slaughterhouses who use an approved method of euthanizing diseased chickens and turkeys.
The USDA now allows an excruciatingly slow and painful method - submerging the birds in foam to suffocate them.
Gosling wrote: “If dogs and cats were killed in this way, the person committing these acts would be charged with cruelty to animals.
'Won't you please ban the foam-based suffocation practice immediately?'