The association between man and dogs dates back to early historical times but currently the pressure of modern living becomes heavy and within the development of cement jungles the pattern of ways of living are daily advancing and the pet dog becomes a part of the family in modern living of human zoo. In rural communities where farming and grazing are essential activity in this sector the dog is still a herder and hunter.Human merits from their dogs in different aspects of their living and this interaction might be interrupted by menacing diseases. Some zoonoses which are communicable diseases may be acquired via sexual contacts between man and his pets. These diseases are transmitted by direct contact and others from exposure to semen- vaginal fluids- urine- saliva- feces and blood of animal This work reviews canine diseases and mainly dogs and its title is not necessary a cross examination and the reader could make his own assessment without any obligations or proclivity Это и многое другое вы найдете в книге X-Smart Science (3) (Dog friend or foe) (Mohamed Ali Elnur,Osman Mansour Osman and Mohammed Medani Eltayeb)