Microbiological evaluation of edible bovine by-products (intestine, lung, rumen meat, head flesh, heart, tongue, kidney and liver) commonly consumed in Assiut city, Egypt were determined by enumerating total viable bacterial count (TVBC), total enterobacteriacae count, yeast and mold contaminants and determine the presence of Salmonella spp. and E. coli O157:H7 organisms.