The study was designed to determine the prevalence of Haemonchus 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 of Haemonchus contortus . In order to identify Haemonchus contortus among 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%) harbored H. 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 < 0.05). Based on age group, prevalence of haemonchosis was 6.25% and 43.22% in young and aged animals respectively showing the statistical significance ( P < 0.05). Seasonal variation was recorded throughout the year and was highest during spring (36.36%) and autumn (32.37%) against a low rate of 2.7% in the summer with significance difference ( P < 0.05). Regarding the relationship between Haemonchosis contortus and body condition, maximum prevalence (80.83%) was recorded in animals with poor body condition, followed by those with moderate body condition (34.26%), while the lowest infestation rate (6.88%) is noted in animals with good body.

Hydatidosis is considered endemic in Morocco and caused serious health problems in ruminants. The aim of this research is to present an epidemiological study on echinococcosis in sheep. The study was carried out between April 2016 and May 2017. A total number of 1600 sheeps was examined via autopsy for Echinococcus granulosus in various slaughterhouses in the Gharb plain of Morocco. The Results of the study showed that the prevalence of cystic echinococcosis was 7.63%. The infection was not significant among sheep which age is\ 1 year (2.67%), while it increases among those which age is from 1 to 3 years old (8.63%). It also grows significantly among sheep which age is over 3 years old (11.71%). Parasitized at 62%, the liver is the most affected organ followed by the lungs (38%). Protoscoleces are only found in liquid cysts and contribute to their fertility which is estimated at 66.66% in the liver and 57.74% in the lungs. In addition, the prevalence of calcified cysts is 12.24% in the liver and 21.11% in the lungs. Examination of the fertile cysts revealed a high level of Protoscoleces viability, whether it's in the liver (65.93%) or in the lungs (59.30%). This study also shows how the evolution of echinococcosis is closely linked to sex and age.

the body cavity was opened, and the digestive tract removed. The oesophagus, stomach, small and large intestine, and lungs were opened and separately examined for helminths under a microscope (×10, ×40 or ×100 magnification). Results: Thirty three wild boars collected from two areas in the province of El Hajeb, were examined for digestive and respiratory helminth parasites. The overall prevalence of helminths fauna was 100% Helminth species and their prevalence species were Metastrongylus Pedondotectus (85%), followed by Macrcantronchyrus Hirudinaceus (82%), Metastrongylus Confusus (79%) and finally Metastrongylus Salmi (51%). Prevalence and infection intensity were greater in young animals than in older animals. There were no significant differences in prevalence between sexes groups (P>0.05). Prevalence of infection was higher in forest areas compared to cultivate areas. Conclusion: it's the first study made in Morocco about helminth fauna of wild boars, further studies are needed to investigate more the diversity of this parasite fauna.