Stray dog bite is one of the public health problem in the world and there is a great need of envisaging irreversible contraceptive methods in dogs. Therefore, the present study was conducted to evaluate the effects of intra epididymal zinc arginine administration in prepubertal dogs. Eighteen pre-pubertal stray community dogs weighing 6-8 kg were administered with zinc arginine solution@ ml per each cauda epididymis percutaneously using 26 gauge, ½ inch needle. | Histopathological studies on intra epididymal zinc Arginine administration in pre-pubertal dogs