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一、材料与方法 本文主要讨论由链壶菌(Lagenidium sp.)引起的对虾幼体真菌病和聚缩虫(Zooth-amnium sp.)引起的纤毛虫病的病原、病理、症状及其防治方法. 试验场地为河北省唐海县一农场育苗室、八农场育苗室及八里滩养殖场育苗室、试验
I. Materials and Methods This paper mainly discusses the pathogen, pathology, symptoms and prevention of ciliates caused by Lagenidium sp. In larval larvae and Zooth-amnium sp. Test sites for a farm in Tanghai County, Hebei Province nursery room, eight farm nursery and Bali Beach farms nursery, test