Effect Of Chemotherapy And Ultra-Violet Irradiation On Embryonation And Infectivity of Toxocara canis Eggs By Using Murine Model Helminthosis of Autopsied Donkeys in Egypt Experimental trials for controlling of Musca domestica and Culex pipens by using some plant oil. Proc. The 1st intern Incidence of some protozoan parasites in birds Blastocystis in fowls: Prevalence and electron Microscopy Prevelance, intensity and morphological identification of six digenetic trematodes from wild and migratory birds in Lower Egypt