Ovine Lungworm Infections are Serious Production and Health Problems in Amhara National Regional State, Deneba, Northeast Ethiopia

A cross sectional study was conducted in and around Deneba town from October 2010 to January 2011 to determine the prevalence of ovine lungworm infections. Feacal sampleswere collected from 384 sheep of different sex and age groups and examined by modified Berman technique for identification of lungworm larvae. The finding of coprological examination indicated the presence of lungworm in 117 sheep, which account foroverall prevalence of 30.46%. Three species were identified in the study area with relative prevalence of 20.83% (n=80) Dictyocaulusfilarial.7.55% (n=29) Muelleriuscapillarisand 2. 08% (n=8) Protostrongylusrufescens. The prevalences of ovine lungworm infection in female and male animals were 31.22% and 29.00% respectively with no significant variation in prevalence (P > 0.05). There was significant variation in prevalence among the three age groups (P < 0.05).