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首页> 外文期刊>Bulletin of animal health and production in Africa >AN OUTBREAK OF WHITE SPORT DISEASE (ICHTHYOPHTHIRIUS MULTIFILIIS) IN ORNAMENTAL FISH
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AN OUTBREAK OF WHITE SPORT DISEASE (ICHTHYOPHTHIRIUS MULTIFILIIS) IN ORNAMENTAL FISH

机译:观赏鱼暴发的白色运动病(ICHTHYOPHTHIRIUS MULTIFILIIS)

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摘要

Ichthyophthiriosis, "white spot disease", "ich" or "itch" is a disease of freshwater fish caused by protozoan Ichthyophthirius multifiliis . I. multifiliis is a holotrichous, histophagous ciliate possessing a large, cresent-, sausage-, or hosed-shaped macronucleaus and at least one small round micronucleaus. I. multifiliis has a direct life cycle involving an obligate fish-associated trophont, a free living reproductive stage (tomont) and the inefective stage of the parasite, termed the theront. The parasite causes lesions in the skin and gills. The disease is characterised by typical signs of external parasitism with characteristic white spots on the skin and gills.
机译:鱼鳞病,“白斑病”,“ ich”或“痒”是一种由原生动物多鱼鳞癣引起的淡水鱼疾病。 I. multifiliis是一种全食性,组织噬菌体纤毛虫,具有大的,呈缝状,香肠状或软管状的大核,并且至少有一个小圆形微核。 I. multifiliis具有直接的生命周期,包括专性的鱼类伴生的Trophon,自由生活的生殖阶段(tomont)和寄生虫的感染阶段(称为theront)。寄生虫会引起皮肤和腮部病变。该病的特征是外部寄生虫的典型体征,皮肤和g上有特征性白斑。

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