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目前在国内常用来作为东方对虾(Penaeus orientalis)幼体的植物性饵料有三角褐指藻(Phaeodactylum tricornutum)、牟氏角毛藻(chaetoceros muel-leri)和扁藻(Tetraselmis SP)等。据报道,也有人用金藻做试验,但效果并不好,而且使用的种类也不明确。 相似文献
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山东盐田数种杜氏藻(Dunaliella spp.)的分类研究 总被引:1,自引:0,他引:1
本文描述了从山东羊口,堤口盐场分离的数种杜氏藻的形态与分类。根据Butcher(1959)的分类标准其中MACC/A1及MACC/A5被定为多型杜氏藻(D.polymorpha).MACC/A2为Dunaliella sp.MACC/A1 40为盐生杜氏藻(D.salina)。这些均为我国首次记录,本文并对分类学上的问题做了详细讨论。 相似文献
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THE BRINE SHRIMP (ARTEMIA PARTHENOGENETICA) AS ENCAPSULATION ORGANISM FOR PROPHYLACTIC CHEMOTHERAPY OF FISH AND PRAWN 总被引:1,自引:0,他引:1
Brine shrimp (Artrmia parthenogenetica) which had ingested three water-insoluble antibactrial drugs ie.sulfadiazine(SD), oxytetracycline (OTO) and erythromycin estolate (ERY-Es) were fed to TiIapia andMysis Ⅲ of Penaeus orientalis K..The drug contentS in the predators were then determined. Aferadministration of drugs to TiIapia and Mysis Ⅲ, through the bio-encapsulation of the brine shrimp,efficacious therapeuical concenration of OTC and ERY-Es(but not SD) in the pndators could bereached and meintained for mere than 8 hours. 相似文献
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数种单胞藻作为栉孔扇贝幼体饵料效果试验 总被引:4,自引:0,他引:4
栉孔扇贝Chlamys farreri(Jones et Preston)是我国北方广泛养殖的珍贵贝类之一。随着生产的发展,对于栉孔扇贝的苗种需求量愈来愈大。自1974年以来,虽然许多单位对扇贝的人工育苗进行了试验,基本弄清了育苗的规律,但总的来说,仍然存在着单产量较低,生产不稳定等问题。影响扇贝育苗成败的因子很多。本文仅探讨不同饵料的育苗效果。过去扇贝育苗常用的 相似文献
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本文描述了从山东羊口、堤口盐场分离的数种杜氏藻的形态与分类。根据Butcher(1959)的分类标准其中MACC/AI及MACC/A5被定为多型杜氏藻(D.polymorpha),MACC/A2为Dunaliella sp.MACC/A140为盐生杜氏藻(D.salina)。这些均为我国首次记录,本文并对分类学上的问题做了详细讨论。 相似文献
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本文描述了从青岛海边分离的数种螺旋藻的形态与分类 按照文献[1][2][3][4][5][6][7][8][9]标准种形态的描述,本研究室藻种号MACC/Y146被定为Spirulina versicolor,MACC/Y171被定为S.subtilissima,MACC/Y38被定为S.subsalsa,MACC/Y133被定为Spirulina sp.其中MACC/Y146,MACC/Y133我国尚未报导 以上各种均系单克降培养 相似文献
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Results are presented of a survey of isozyme frequencies in parthenogenetic Artimia from six salterns in the Shandong Peninsula, P.R.C. Three of the eleven enzymes we scored using polyacryamide gel electrophoresis proved to be useful for analysis of electromorph frequency variation. These enzymes are tetrazolium oxidase (TO), lactate dehydrogenase (LDH), and malate dehydrogenase (MDH). Each of these systems showed extensive isozyme variation both within and between salterns. In addition, we have examined the possibility that electromorph frequencies may vary as the result of natural selection for adaptation to specific salinity, or salinity-associated environmental conditions. An indication of clinal variation was found in two series of ponds differing in salinity, however more extensive data are needed before it is possible to conclude that these patterns are the result of natural selection. Finally, the use of isozyme analyses such as ours, for unraveling taxonomic problems in Anemia, is discussed. 相似文献
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本文提出运用聚丙烯酰胺凝胶电泳的方法,对我国山东半岛几个盐场中的卤虫的十一种同工酶变异进行分析。其中三种同工酶,乳酸脱氢酶(LDH),苹果酸脱氢酶(MDH),以及四唑氧化酶(TO),表现为多态酶,并且存在盐场内和盐场间的相对变异。该项技术将有助于基础科学的研究以及在水产养殖中用来筛选和辨别卤虫的不同品系。 相似文献
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前言 束毛藻(Trichodesmium)~(d))是一种外洋性浮游蓝藻,它由许多藻丝聚集成束状藻团而得名。束毛藻最初由Ehrenberg(1830)创立,当时仅有一种红海束毛藻T.erythraeum。Gomont(1893)在修正颤藻科Oscillatoriaceae 的论述中,首次承认了这个属,并且描述了3个种:T.erythraeum EHRENB,T.HildebrandtiGOM.~(e)),及T.Thiebautii GOM.~(e))。Geitlet(1932)将束毛藻属合并在颤藻属(Osci- 相似文献