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yu lei zhan zuo zi chong bing de fang zhi
Pages: 48
Year: 2017
Issue:
4
Journal: Ocean and Fishery
Abstract: 粘孢子虫除少数种类寄生在蠕虫、两栖类、爬行类外,绝大部分寄生于鱼类.据报道,寄生在我国淡水鱼类的有600多种,它几乎在鱼体的所有器官中都在寄生.由于粘孢子虫成熟孢子具一层很厚的几丁质壳片,药物不能深入其体内,故对其杀灭极其困难.鱼类粘孢子虫发育过程大致为:孢子从鱼体释放到水体后被中间宿主水生寡毛类(如水蚯蚓,图)吞食,孢子在中间宿主体内经无性繁殖发育成大量的放射孢子虫,释放到水中,遇到鱼体即行进入,在鱼体内经过营养体阶段分裂,发育成成熟孢子和孢囊.
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