Corneal ulcers are the most common ocular disorders encountered in dogs and cats. Melting keratitis is a pathological condition of the cornea that appears when there is an imbalance between proteinases and proteinase inhibitors, components involved in corneal wound healing. Proteolytic enzymes such as collagenases are produced by some bacteria, especially Pseudomonas spp.,fungi (Aspergillus spp…