PMID: 15224587Jul 1, 2004Paper

Epidemiology of sheep infection by Oestrus ovis in Algeria

Parasite : Journal De La Société Française De Parasitologie
A BenakhlaC Boulard

Abstract

313 sheep were examined in 1996 to assess the importance and seasonal evolution of Oestrus ovis infection in the Algerian region of El-Tarf. Prevalence was found to be 67.4%. The larval burden was 18 larvae by infected sheep. The prevalence was higher in older sheep than in lambs; intensity was similar. The different larval stages were found all along the year in sheep with prevalence ranging from 33.1 to 80.5% for L1, 9.7 to 43.9% for L2 and 8.4 to 23.0% for L3. The sheep were the least infected in winter (prevalence from 35.7 to 44% and intensity seven to ten larvae per sheep). The highest infection was found during the warm season (spring to autumn, prevalence from 62 to 90% and intensity ranging from 15 to 25). This larval evolution profile suggested the existence of one long cycle (November-April) and possibly two shorts cycles (May-October). This epidemiological pattern is similar to that in Morocco but was slightly different from the situation in Tunisia where the winter cycle was apparently of lesser importance.

Citations

Jun 5, 2008·Tropical Animal Health and Production·M O ArslanY Gicik
Feb 3, 2009·Tropical Animal Health and Production·Sardar Jafari ShoorijehMohammad Amin Behzadi
Oct 19, 2006·Medical and Veterinary Entomology·U Uslu, B Dik
Sep 3, 2013·ISRN Veterinary Science·Ali Asghar MozaffariShahin Ghahremani Ghareh Cheshmeh

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