Prevalence of Hydatidosis among slaughtered ruminants in Al-Najaf slaughter house, Al-Najaf, Iraq

Abstract

    A study survey was carried out  in Al-Najaf slaughterhouse to show the prevalence of  hydatid  cysts among the slaughtered animals during the period  from 1/1/2011 to 30/12/2011, the slaughtered animals were local breeds ,both sexs ( male & femal) , different ages and from different region in Al-Najaf governorate. To detect the lesions of hydatid  cysts we followed gross examination by naked eye and palpation with hands . The study sample include(47849 sheep, 30684  goats,18911 cattle ,).The  morbidity of  hydatidosis was 0.71 % (696 animal from 97444) among the whole slaughtered animals ,with a value of 1.07 % in cattle , 0.53 % in sheep  , 0.77 % in goat . the highest infection rate in cattle, and  goat was in spring (2.05 % ,1.24%) respectively . while in sheep was in summer (0.62%).  The study also show that highest infection rate of cattle, sheep and goat with  hydatidosis was in May (3.41 %, 1.32%, 1.86%) respectively . The  morbidity of  liver cyst was 8.331%  ,as the follow  (8.35% in cattle, 8.32% in sheep and 8.31%  in  goats) , while the lung cyst was 7.831% as the follow (7.658 % in cattle,7.528 % in sheep and 8.307 %  in  goats).