eimeria livialis sp.n. (apicomplexa: eimeriidae) from the domestic pigeon, columba livia domestica in saudi arabia. | eimeria livialis sp.n. is described from the intestine of the domestic pigeon, columba livia domestica (columbiformes: columbidae) from riyadh, central region, saudi arabia. sporulated oocysts are elongate ellipsoid, 21 x 15 (19.5-23.2 x 14.3 - 16.5) microm, with a smooth, greenish-yellow bilayered wall, 1.2 (1.0-1.3) microm. micropyle and polar granule are absent. an oocyst residuum is present, consisting of 4-7 globules that are irregular in shape and size. the sporocysts are ellipsoid, 10.6 x ... | 2009 | 19795745 |