The influence of multiple meals on the gastric evacuation rate in rainbow trout (Oncorhynchus mykiss)

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dc.contributor.authorTekinay, AA
dc.contributor.authorGuner, Y
dc.contributor.authorAkbas, I
dc.contributor.authorBaysal, H
dc.date.accessioned2019-10-27T19:00:15Z
dc.date.available2019-10-27T19:00:15Z
dc.date.issued2003
dc.departmentEge Üniversitesien_US
dc.description.abstractRainbow trout, Oncorhynchus mykiss (mean weight 70.8+/-1.0 g SEM) raised in the Sea of Marmara (Turkey), were used for a preliminary gastric evacuation study. After being starved 72 hours, three groups of 110 fish, each, were fed ad libitum once, twice or three times in a single day. Ten fish from each group were withdrawn and killed in an anesthetic solution during each sampling at 0, 3, 6, 9, 12, 15, 18, 21, 24, 27 and 30 hours following the last feeding. Gastric material was removed from the fish and dried for gastric evacuation modelling. Gompertz and logistic models (with fixed asymptotes) best explained the data. The gastric emptying rate of the trout offered a single meal (Group A) was faster than those fed two (Group B) or three (Group C) meals while the emptying patterns of Groups B and C were similar to each other. The time required to evacuate 95% of the gastric material from the first meal was estimated as 54.3, 68.0 and 67.8 h for Groups A, B and C, respectively, according to the Gompertz equations (with a fixed asymptote).en_US
dc.identifier.endpage131en_US
dc.identifier.issn0792-156X
dc.identifier.issn0792-156Xen_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage123en_US
dc.identifier.urihttps://hdl.handle.net/11454/37754
dc.identifier.volume55en_US
dc.identifier.wosWOS:000184273900006en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherLab Research Fish Diseasesen_US
dc.relation.ispartofIsraeli Journal of Aquaculture-Bamidgehen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectgastric evacuation rateen_US
dc.subjectmultiple mealsen_US
dc.subjectrainbow trouten_US
dc.titleThe influence of multiple meals on the gastric evacuation rate in rainbow trout (Oncorhynchus mykiss)en_US
dc.typeArticleen_US

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