Screw-wormchrysomyabezzianamyasis of native animals in Dyiala provinces 'Iraq

Abstract

The study aimedtodetermine the prevalence of Old world screw fly  (OWS) flyinfectionin Diyala province .Iraq. A total of 188 native animals  were examine (cattle, sheep, goat, horses ) varying ages in different regions of the province by weekly vests  to the  veterinary hospital in Diyala during  the period from November 2014 to March 2015.The 36 domestic animals were infected from total No. 188 animals examined with percentage  rate 20% from the total inspected animals with significant difference   p≤ 0.05 .The monthly OWS larvae's  infection show highly infestation rate in November 44% from total inspected animals while the lowest rate in February  was 0% . The animals kinds  givevaryingrates of OWS infectionduring the study period. The highly rate in sheep 23% and the lowest rate in goat 12% from the 36 infected animals. And about the body regions the legs show highest rate 53% from the infected animals while the lowest rate  in   back region in rate 5% only without significant difference   p≤ 0.05 between the different body regions.