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      Epidemiology of sheep infection byOestrus ovisin Algeria

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      Parasite

      EDP Sciences

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          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.

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          Author and article information

          Journal
          Parasite
          Parasite
          EDP Sciences
          1252-607X
          1776-1042
          June 2004
          August 2014
          : 11
          : 2
          : 235-238
          Article
          10.1051/parasite/2004112235
          15224587
          © 2004

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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          Self URI (journal page): http://www.parasite-journal.org/

          Parasitology, Life sciences

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