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The objective of the study was to identify the species, gross and histopathological lesions of  Eimeria  in Japanese quails in Zaria. A total of 400 fresh faecal samples were collected and 10 quail birds were purchased from a quail farm. The faecal samples were processed using simple floatation technique. Oocysts shape indices of sporulated oocysts were determined. The intestines were observed for gross lesions and segments were analyzed using Giemsa stain and Haematoxylin and Eosin stain and then observed microscopically for the developmental stages of the parasite. Four species of  Eimeria  were identified in the study.  Eimeria bateri  of shape index of 1.36 conformed to the guidelines used while the other three  Eimeria  species with shape indices of 1.48, 1.03, and 1.40 were not confirmed. The main gross lesion seen was nonhaemorrhagic ballooning of the caeca. Intestinal scrapping smear revealed a developmental stage of the parasite (merozoites) in the jejunum. Histopathology also revealed a developmental stage (schizont) of the parasite in the caecum and desquamation of the epithelial lining with areas of necrosis. Further study is required using molecular techniques to properly identify the unknown species of  Eimeria  that were detected in the study.

journal of veterinary medicine

Morphometric Identification, Gross and Histopathological Lesions of <i>Eimeria</i> Species in Japanese Quails (<i>Coturnix coturnix japonica</i>) in Zaria, Nigeria

Morphometric Identification, Gross and Histopathological Lesions of Eimeria Species in Japanese Quails (Coturnix coturnix japonica) in Zaria, Nigeria