Harri, Najdi, and Naemi (Awassi) are the main sheep breeds in Saudi Arabia that have good adaptability to environmental conditions, resistance to parasitic diseases, and satisfy the needs of Saudi consumers the natives much prefer them over other sheep breeds. In Saudi Arabia, D dendriticum has been reported in Al-Madinah by and the assessment was done in Taif Province slaughterhouses to compare local to imported sheep. It was discovered that grazing land near forest regions (which is beneficial to mollusks) and arid pastures with little other biodiversity (which is beneficial to ants) both increased parasite prevalence. Furthermore, a study on the prevalence of D dendriticum was conducted in Sweden. The parasite thrives in settings that suit intermediate hosts, such as dry, chalky, or alkaline soils. D dendriticum can be found in Europe (ex-USSR, Switzerland, Italy, Germany, Spain, Turkey), the Middle East (Iran), Asia (China, Japan, Vietnam, and the Indo-Malayan region), Africa (Ghana, Nigeria, Sierra Leone), North and South America, and Australia. dendriticum to the list of species that should be targeted by its Foodborne Disease Burden Epidemiology Reference Group. So, in 2007, the World Health Organization added D. ĭicrocoelium dendriticum has worldwide distribution and is thought to be endemic, possibly in 30 different countries. Dicrocoeliasis is spreading in sheep herds due to the growth of dry, scrub-like environments. Also, it has been reported to affect rabbits, pigs, dogs, horses, and people. This parasite resides in the bile ducts and gallbladders of domestic and wild ruminants, including sheep. dendriticum in imported Romani and local Naeimi sheep, and the potential role of imported sheep in the epidemiology of dicrocoeliasis in Saudi Arabia.ĭicrocoeliasis is a common disease known as lancet fluke or small liver fluke that affects sheep, goats, cattle, buffaloes, roe-deer, camels, and humans. Histopathological lesions in the liver were more pronounced. Significant differences were found between gender and age (males and females were 3.67% and 6.31% > 2 years 4.39%, 1–2 years 4.22%, and 1 year 3.53%) respectively. After identifying the parasite morphologically, negative results were obtained from examining feces, gallbladders, and livers of Najdi and Harry sheep breeds. The results indicated that the infection rate in slaughtered animals was 10.6% in imported Romani sheep and 0.9% in the local Naeimi breed. Fecal samples and livers and gallbladders from slaughtered animals were examined for apparent pathological lesions. It included 4,680 local breeds and 2,165 imported Romanian breeds. A total of 6845 slaughtered sheep at Riyadh Automated slaughterhouse were investigated and followed up for 4 months between 2020–2021. Morphological description, the relationship between dicrocoeliasis and sex, age, and histological changes were also presented. This study aims to determine the prevalence of Dicrocoelium dendriticum in local sheep breeds (Naemi, Najdi, and Harri) and imported breeds from Romania (Romani breed) and the epidemiology of the infection in Saudi Arabia. The epidemiology of parasite infection in local and imported breeds is quite an essential topic in the meat industry and human health.
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