简介:Oncomelania(Oncomelaniahupensis),adioecian,ovoviviparous,andamphibioussnail,isthesoleintermediatehostofSchistosomajaponicum,themostwide-spreadsnailfeverintheworld.Chemicaleliminatingthehostprovedunacceptablefortherewasseverecontaminationtowaterandsoil.TheriverbeachesandthedeltaareasoffiveprovincesinthemiddleandlowerreachesofYangtzeRiverinChinaprovidethemostfavorablehabitatsforOncomelania.Ourstudieshaverevealedthattheoccurrenceof...