Detection of an Amphistome, Homalogaster paloniaefrom Japanese Black Cattle

Abstract

Six flukes were detected from the cecum of Japanese black cattle raised at a farm in Esashi, Iwate Prefecture and identified asHomalogaster paloniaeby the morphological characteristics. Cercariae ofH. paloniaewere obtained from a snail, Polypylis hemisphaerulla collected from a rice paddy belonging to the farm. Furthermore, eggs ofH. paloniaewere detected from fecal samples of cattle reared at three farms in the same area. These results suggested thatH. paloniaeinfection was distributed in Tohoku District, Japan.