An epidemiological study of hydatid cyst of Echinococcus granulosus isolated from sheep, goats and cattle in Sulaimani province, Kurdistan Regional-Iraq.

Cystic echinococcosis (CE) is a parasitic zoonosis caused by the larval stage of Echinococcus granulosus sensu lato with medical importance and economic effect. This study was carried out in Sulaimani province, Kurdistan Region, Iraq from October 2020 to November 2021. The study focused on the prevalence of cystic echinococcosis in slaughtered animals. The total prevalence was 8% (1324/16524), with a high rate in sheep (5.3%) and low rates in goats and cattle (1.9% and 0.76%, respectively). With respect to abattoirs involved in the study, the highest prevalence was detected in Kalar abattoir (16.8%) and the lowest in Sulaimani abattoir (4.4%). Among the infected animals, sheep in Kalar abattoir recorded the highest prevalence, while cattle in Sulaimani abattoir recorded the lowest prevalence (11.7% and 0.4%, respectively). Males of sheep, cattle, and female goats showed higher prevalence (66.7%, 76.2%, and 58.6%, respectively). Regarding organ involvements, males of cattle and sheep showed high liver involvement (81.25% and 72.2%, respectively), while females of goat showed the highest liver involvement (76%). Females of cattle and sheep showed high lung involvement (46.7% and 28.5%, respectively), but the males of goats showed the highest lung involvement (53.8%).