A. Skrzypczak, A. Mamcarz, D. Kucharczyk, R. Kujawa
{"title":"Use of a Floating Pump to Collect and Transfer Live Zooplankton as Food for Percid Larvae Reared in Net Cages","authors":"A. Skrzypczak, A. Mamcarz, D. Kucharczyk, R. Kujawa","doi":"10.1577/1548-8640(1998)060<0239:UOAFPT>2.0.CO;2","DOIUrl":null,"url":null,"abstract":"Abstract A system for transfering live natural zooplankton to net cages containing percid larvae is described. The construction of this system is based on a net cage system routinely used for coregonid larvae. The pump transferred zooplankton in proportion to zooplankton density in a lake and can be adjusted depending on fish size and stocking density. A floating pump transferred up to 55% of available zooplankton to a rearing cage. The percentage of zooplankton groups in the control cage and in the pumping water was similar. Zooplanktonic organisms were not damaged by the pump.","PeriodicalId":22850,"journal":{"name":"The Progressive Fish-culturist","volume":"32 1","pages":"239-241"},"PeriodicalIF":0.0000,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Progressive Fish-culturist","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1577/1548-8640(1998)060<0239:UOAFPT>2.0.CO;2","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
Abstract A system for transfering live natural zooplankton to net cages containing percid larvae is described. The construction of this system is based on a net cage system routinely used for coregonid larvae. The pump transferred zooplankton in proportion to zooplankton density in a lake and can be adjusted depending on fish size and stocking density. A floating pump transferred up to 55% of available zooplankton to a rearing cage. The percentage of zooplankton groups in the control cage and in the pumping water was similar. Zooplanktonic organisms were not damaged by the pump.
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