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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Ultrasonographic screening for cystic echinococcosis in sheep in Tunisia
Veterinary Parasitology, Volume 143, No. 1, Year 2007
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Description
Sheep from the areas of Fondouk-Jeddid, Bir Mchergua and El Fahs, located in the Northeast of Tunisia, were examined by ultrasonography between 2001 and 2004 in order to assess their infection with Echinococcus granulosus, the agent of hydatid disease, and to evaluate this method as an efficient aire for hydatid cysts. A total of 1039 sheep, aged between 1 and 14 years was examined. The highest prevalence was found in sheep aged more than 8 years. The least infected animals were aged between 1 and 2 years. All hydatid cysts detected by ultrasound were located in the liver. In all age-groups, the dead cysts were more numerous than viable cysts. Eighteen positive sheep were autopsied and a comparison between ultrasound and autopsy results was performed. The results showed a prevalence of about 40% for the three areas. Ultrasonography allowed the cysts, deep or superficial to localize in the central or left part in relation to the caudal vena cava of the animals. Consequently, all the cysts were not detected with this technique. This work shows that ultrasonography confirms the importance of ovine hydatid cyst in Tunisia and that its use as a mass screening approach for cystic echinococcosis in sheep could be helpful for the monitoring of this disease in a hydatid control program without great stress for the animals. © 2006 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Lahmar, Samia
Tunisia
National School of Veterinary Medicine
Chéhida, Farid Ben
Unknown Affiliation
Pétavy, Anne Françoise
France, Villeurbanne
Université Claude Bernard Lyon 1
Hammou, Azza
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Lahmar, J.
Tunisia, Tunis
Ministry of Agriculture
Ghannay, A.
Tunisia
Animal Production
Gharbi, Hassen Akeba
Unknown Affiliation
Sarciron, Marie Elisabeth
France, Villeurbanne
Université Claude Bernard Lyon 1
Statistics
Citations: 61
Authors: 8
Affiliations: 5
Identifiers
Doi:
10.1016/j.vetpar.2006.08.001
ISSN:
03044017
Study Design
Cross Sectional Study
Study Locations
Tunisia