A survey of Haemonchus contortus parasite of sheep from Gharb plain, Morocco

摘要

The study was designed to determine the prevalence ofHaemonchus contortus, intestinal helminthes parasite of sheep in the Gharb plain (Morocco).A total of 1154 sheep were randomly selected from farms, pastures and abattoirs, the samples were examined using a flotation techniques for determination the eggs ofHaemonchus contortus. In order to identifyHaemonchus contortusamong the different gastrointestinal strongyles present in mixed infections, a faecal culture was carried out for each farm and pasture. This study was carried between November 2016 and October 2017. The data were analysed with respect to sex, age, season and body condition of sheep examined. Out of (1154) samples examined, (23.92%) harboredH. contortus. Prevalence among female (30.98%) was higher than that of the males (15.63%), there was significant difference between prevalence of infection and sex (P?