Abstract
This article included the identification of twenty eight (28) tumor biopsies and autopsies which were delivered to the department of surgery and pathology in the faculty of Veterinary Medicine, University of Tripoli for the period 2007 to 2011. Gross and histological r=examination revealed the existence of different benign and malignant tumors including melanoma, fibrosarcoma. Squamous cell carcinoma, Osteosarcoma, mammary tumors, hostocytoma, mastcytoma, lipoma, adenoma and epulis. The aim of this study is to document the existing type of tumors and to define their distribution among different domestic animals in Libya.