Excessive granulation tissue (proud flesh) is a common sequela of traumatic injuries, especially in the equine species. The presence of proud flesh delays healing time and it also prevents the practitioner from achieving the desired cosmetic effect in the injured area.
Carpenter, James L.
"Experimental Suppression of Granulation Tissue in the Equine,"
Iowa State University Veterinarian: Vol. 22
, Article 14.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol22/iss1/14