Ectoparasites of farm animals in Diyala province, Iraq

72 ectoparasitic infested clinical cases were collected from different productive animal species presented to Diyala, Vet. College teaching hospital from owners in and out of Baquba city in Diyala province for 6 months period during years 2015-2016. Results showed that Sheep had the highest infestation with ectoparasites n=50 (69.4%) particularly with face mange n=44 (61.1%) then sheep with myiasis n=6 (8.3%), then cattle infested with ticks n=12 (16.7%) , followed by pigeons with lower infestation n=8 (11.1%) with lice; Research revealed that lowest number of infestation with myiasis were reported in horse and dog n=1 (1.4%) for each. January month show the highest number parasitic infestation n =40 (55.6%) for sheep face mange followed by October n=16 (22.2%) in favor of tick cattle infestation n=6 while September month with lower infestation n=11(15.3%) in favor of tick cattle infestation n=4. Ectoparasites of animals diagnosed in study were larvae of flies Chrysomya bezziana; Mites, Sarcoptes scabei var. ovis and Sarcoptes scabei var. equi; Ticks, Hyalloma analoticum analoticum, H.a. excavatum, Rhipicephalus turanicus, R.bursa, and lice Columbicola columbae. Highest infestation prevalence was recorded in winter particularly in January may be due to cold which reduce animal resistance to parasitic infections