Dramatic? Have you ever worked with birds and animals? Apparently not. I have. I worked in wildlife rehab for six years. An animal or bird in pain reacts the same as we do. If they didn't,veterinarians could reset bones,do surgery,etc without anesthetic.
Ian Duncan, a poultry researcher at the University of Ontario said, “There is now good morphological, neurophysiological, and behavioral evidence that beak trimming leads to both acute and chronic pain,” including phantom limb pain.
Dramatic? Have you ever worked with birds and animals? Apparently not. I have. I worked in wildlife rehab for six years. An animal or bird in pain reacts the same as we do. If they didn't,veterinarians could reset bones,do surgery,etc without anesthetic.
http://forcechange.com/11726/beak-trimming-of-chickens-is-cruel-and-must-be-stopped/