Send us Fan Mail We sit down with Drs. Paul Freeman and Nick Jeffery to discuss a treatment for down dogs that’s changing outcomes and conversations: percutaneous intradiscal chondroitinase injections that act like chemical fenestration, reduce extruded disc material, and help non-ambulatory dogs recover without opening the spine. We walk through the origin of the idea, the ethical hurdles, and the growing dataset behind safety and effectiveness. You’ll hear why deep pain–positive dogs with ...