Studies on The Abomasal Nematodes Infesting Sheep =

Studies have been carried on 350 sheep abomasa coj..lected from the different districts in Giza governo— rate during the different seasons (from Decamber 1976 till November 1977). The materials were collected from the abomasa of slaughtered sheep; adult mThe results showed that the ge.era1 infection percentage among examined sheep was 35.428%. The morphological description of each species was based on the taxoucny stated by York and Maplaston (1926), Neven Larneire (1938) and Yamagutii (1961), taking in c