Eimeria arlongi is a species of Eimeria that causes clinical coccidiosis in goats. It and are two of the most pathogenic species for goats. It is particularly prevalent in goat kids in Iran. Issues with coccidiosis specifically due to Eimeria arloingi have also been reported in Egypt and Portugal. It is unclear whether this species is present in the Americas as most of the case reports of coccidiosis in these areas do not differentiate the species causing the disease. Infections with this species are commonly compounded by infections with other Eimeria species in "mixed infections." This species is closely related to Eimeria bovis and Eimeria zuernii which are both highly pathogenic in cattle' Infections with this species are characterized by lesions specifically in the jejunum, but also