Abstract

In present study, the prevalence of monieziosis infections was determined in Soviet Merino sheep and risk factors associated therewith was identified in Astrakhan, a region of traditional development of sheep farming located in the south of the European part of Russia. One thousand five hundred Soviet Merino sheep, different in age and sex, from different districts in the Astrakhan region, were examined using the Fülleborn’s technique for detection of eggs of genus Moniezia in fecal samples. Histological sections of gravid proglottids were stained for histological and Scanning Electron Microscopy (SEM) examination. It was found that monieziosis was recorded (26.46 ) among the examined sheep. Moniezisois was found more prevalent in grazing female (41.52 ) and young sheep (35.61 ). The highest incidence of monieziosis in Soviet Merino sheep was found in spring (37.02 ). By histological and SEM examination, the gravid proglottids of genus Moniezia, showing several compartments inside it containing several eggs and the proglottids containing bilateral genital pores and craspedote. © 2021. All Rights Reserved.