Morphological Diagnosis for Some Eggs of Gastrointestinal Nematodes from Sheep

       The current research aimed to study the morphological aspects of eggs of nematodes that parasitic on Awasi sheep and make a comparison with the existing data in specialized references. The eggs were isolated and collected from the nematodes female from the gastrointestinal mass of the sheep. The morphological appearance and measurements of eggs were made with microscope. The results showed the eggs from the following species: Haemonchus contortus, Marshallagia marshalli, Oesophagostomum columbianum and Trichostrongylus colubriformis were similar to the characters that depending on identification keys specialized literates.