author(s)
Omar Attalla Fahad and Sufian Saleh Salman

abstract
Our study was aimed to detect the prevalence of ovine and caprine chlamydiosis in Al-Fallujah city-Iraq by using ELISA, samples were randomly collected from sheep and goats in herds with a history of abortion during the period between October 2016 to March 2017, from out of 184 serum samples only 21 (11.41%) serum showed positive result to ELISA test, these positivity results are 12/124 (9.67%) ewes, 1/30(33.33%) rams, 6/21(28.57%) does and 2/9(22.22%) bucks. The highest prevalence of chlamydiosis in ovine and caprine was in Albu thaher (%16) while the lowest prevalence was in Alshehaa and Alsecher (%0). The age group (1-3 years) was recorded the highest prevalence of chlamydiosis (%17.54) in sheep, and (%13.88) in goat. For sheep the highest prevalence of chlamydiosis was recorded in December (20%), and lowest prevalence was recorded in October (%0), while in goats, the highest prevalence of chlamydiosis was recorded in January (20%), and the lowest prevalence was recorded in October and March (%0) with a significant difference (P<0.05). The study concluded that Chlamydiosis is endemic and a serious cause of abortion in sheep and goat.