The study was carried out on 418 aborted ewes in different ages in 24 sheep folds in 6 regions within two province (mohafazat) the study  confirmed that positive seroprevalence in 36 aborted ewes was (8.61%), 11ewes were suspected (2.63%) and 371 ewes were reported negative reaction to ELISA test (88.75%). The positive cases were reported in all study regions and the positive cases were reported in 15 fold of 24 study population  as seropositive percent (62.5%) folds level. The study reported that the higher positive seroprevalence were in productivity age range between 2 and 3 years old comparing  with other ages. This confirms that adult ewes were near susceptible animals to the infection comparing with young and old  ewes.