Understanding Tail Injuries and Why They Occur Canine tail wounds often develop from repetitive energetic movement, unexpected hits against hard surfaces, and sometimes scratches or nips picked up while playing. In many cases, happy tail syndrome develops from constant damage to the tail’s end, causing splits, bleeding and ongoing irritation. https://keensector119.blogoxo.com/38879724/the-blog-to-learn-more-about-dog-tail-injury-cover-and-its-importance