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dc.contributor.author Turker, Ali en_US
dc.date.accessioned 2012-01-19T20:24:49Z en_US
dc.date.available 2012-01-19T20:24:49Z en_US
dc.date.issued 2009 en_US
dc.identifier.citation Turker, A. (2009). Effect of Photoperiod on Growth of Trout (Oncorhynchus mykiss) in Cold Ambient Sea Water. The Israeli Journal of Aquaculture - Bamidgeh, 61(1), 57-62. en_US
dc.identifier.issn 0792-156X en_US
dc.identifier.uri http://hdl.handle.net/10524/19274 en_US
dc.description.abstract The effects of four photoperiod regimes on growth performance of the rain- bow trout (Oncorhynchus mykiss W.) in cold ambient seawater conditions were compared in indoor seawater tanks (salinity 18 g/l; 6-8°C) in Janu- ary-February. The photoperiods were the natural photoperiod (10 h light: 14 h dark), 20 h light:4 h dark, 16 h light:8 h dark, and 0 h light:24 h dark. Fish were fed a diet consisting of 47% protein, 20% fat, 11% ash, and 8.5% moisture. At the end of eight weeks, the relative growth rate and feed intake were significantly higher in fish exposed to 20L/4D than in other photore- gimes. Total protein intake (g), protein retention (%), and N content in fish (%) significantly improved with the increase of light hours, indicating that optimal growth in the study conditions is obtained in extended light regimes (20L/4D or 16L/8D). en_US
dc.format.extent 6 pages en_US
dc.publisher Israeli Journal of Aquaculture - BAMIGDEH en_US
dc.relation.ispartofseries The Israeli Journal of Aquaculture - Bamidgeh en_US
dc.subject photoperiod, trout, Oncorhynchus mykiss, growth, sea water en_US
dc.subject.lcsh Fish culture--Israel--Periodicals. en_US
dc.subject.lcsh Fish culture--Periodicals. en_US
dc.subject.lcsh Aquaculture--Israel--Periodicals. en_US
dc.subject.lcsh Aquaculture--Periodicals. en_US
dc.title Effect of Photoperiod on Growth of Trout (Oncorhynchus mykiss) in Cold Ambient Sea Water en_US

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