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The prevalence of cystic echinococcosis (CE) was 16.42% in sheep, 8.56% in cattle, 5.94% in dromedaries and 2.88% in goats. CE prevalence increased with age according to an asymptotic model and there was evidence of variation in infection pressure depending on the region of Tunisia where the animals were slaughtered. Cattle appeared to have the highest infection pressure of the species examined. The mean intensity of hepatic cysts was higher than that of pulmonary cysts in all species. The highest mean intensity of infection with <jats:italic>E. granulosus<\/jats:italic> larvae was observed in cattle (18.14) followed by sheep (9.58), goats (2.31) and dromedaries (2.12). The abundance of infection increased in a linear fashion with age in all animal species. Cyst abundance varied with species of animal and district of Tunisia. Cysts from dromedaries were more fertile (44.44%) than those from sheep (30.25%), goats (30.32%) and cattle (0.95%). The viability of the protoscoleces from fertile cysts from cattle (78.45%) was higher than those from sheep (70.71%) and camels (69.57%). The lowest protoscolex viability was recorded for hydatid cysts from goats (20.21%). This epidemiological study confirms the importance of CE in all domestic ruminant species, particularly in sheep, throughout Tunisia and emphasizes the need to interrupt parasite transmission by preventive integrated approaches in a CE control programme.<\/jats:p>","DOI":"10.1017\/s0022149x12000430","type":"journal-article","created":{"date-parts":[[2012,9,12]],"date-time":"2012-09-12T05:49:06Z","timestamp":1347428946000},"page":"318-325","source":"Crossref","is-referenced-by-count":51,"title":["Cystic echinococcosis in slaughtered domestic ruminants from Tunisia"],"prefix":"10.1017","volume":"87","author":[{"given":"S.","family":"Lahmar","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Trifi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Ben Naceur","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Bouchhima","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Lahouar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I.","family":"Lamouchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Ma\u00e2mouri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Selmi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Dhibi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.R.","family":"Torgerson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2012,9,12]]},"reference":[{"key":"S0022149X12000430_ref41","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182000065495"},{"key":"S0022149X12000430_ref25","doi-asserted-by":"publisher","DOI":"10.1016\/j.actatropica.2009.08.029"},{"key":"S0022149X12000430_ref20","first-page":"1087","article-title":"Hydatidosis in Egyptian slaughtered animals in the years 2000\u20132005","volume":"3","author":"Haridy","year":"2006","journal-title":"Journal of the Egyptian Society of Parasitology"},{"key":"S0022149X12000430_ref42","volume-title":"M\u00e9thodes statistiques \u00e0 l'usage des m\u00e9decins et des biologistes","author":"Schwartz","year":"1993"},{"key":"S0022149X12000430_ref45","doi-asserted-by":"publisher","DOI":"10.1016\/S0304-4017(98)00157-5"},{"key":"S0022149X12000430_ref6","unstructured":"Anon. 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