论文部分内容阅读
在福建南部龙海等7个县市共采集淡水鱼类8科24种与沼虾1种,除胡子鲶、泥鳅与虾未查到囊蚴外,均有发现日本棘隙吸虫囊蚴。各地共检查鱼类3,147尾,平均阳性率为49.54％,其中麦穗鱼平均每尾含囊蚴557个,最多者检出3752个;其感染率、高染度为文献中高纪录。 日本棘隙吸虫囊蚴椭圆形,大小为75.0±2.6×59.8±3.9μm。囊蚴经动物实验感染,鹅未成功,在鸡、鸭、鸽、犬与金黄色地鼠检获本虫虫卵与成虫,分别大小为77.3±3.6×55.4±2.0μm与1.057±0.071×0.341±0.034mm。首次证实鸭、鸽、金黄色地鼠为本虫终末宿主。
Freshwater fish were collected from 7 families, 8 families, 24 species and 1 species of Macrobrachium in 7 counties and cities of Longhai, southern Fujian. Except for the catfish, loach and shrimp, none of the freshly caught fishes was found. A total of 3,147 fish were examined, with an average positive rate of 49.54%. Among them, the average number of earwiched larvae per ear was 557, of which 3752 were the highest, while the infection rate and the high staining rate were medium-high records. Japan Echinococcosis oocysts, the size of 75.0 ± 2.6 × 59.8 ± 3.9μm. The metacercariae were infected by animal experiments and the goose was unsuccessful. The eggs and adults of the eggs were seized in chickens, ducks, pigeons, dogs and golden hamster, with sizes of 77.3 ± 3.6 × 55.4 ± 2.0μm and 1.057 ± 0.071 × 0.341 ± 0.034mm. For the first time confirmed ducks, pigeons, golden hamster-based terminal insect.