近两年来,哈尔滨市水产研究所实验鱼池、哈尔滨市西郊渔场养殖的鲤鱼种鲤成鱼连续发生绦虫病(病原初步诊断为九江头槽绦虫),感染率高达30～50%,并在一、二年间迅速蔓延开来,严重影响了鱼的生长和产量。尤其越冬后期至饲养初期,在水温升 In the recent two years, the experimental fish ponds of Harbin Institute of Fisheries and the carps of common carp breed carp in the fishery of the western suburbs of Harbin City have been found to have continuous occurrence of taeniasis (initial diagnosis of Taeniosis of Jiujiang Tau), and the infection rate is as high as 30-50% , Spread rapidly in two years, seriously affecting the growth and yield of fish. In particular, the late winter to the early breeding, the water temperature rise