The changes in the biochemical compositions and enzymatic activities of rotifer (Brachionus plicatilis, Muller) and Artemia during the enrichment and starvation periods

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dc.contributor.authorNaz, Mehmet
dc.date.accessioned2024-09-18T20:02:38Z
dc.date.available2024-09-18T20:02:38Z
dc.date.issued2008
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe changes in the biochemical compositions and enzymatic activities of rotifer (Brachionus plicatilis) and Artemia, enriched and stored at 4 degrees C temperature, were determined. The total starvation period was 16 h and samples were taken at the end of the 8th and 16th hours. In present study, the rotifer and nauplii catabolized a large proportion of the protein during the enrichment period. Lipid contents of both live preys increased during the enrichment period and decreased in nauplii and metanauplii throughout the starvation period but lipid content of the rotifer remained relatively constant during the starvation period. The changes observed in the amino acid compositions of Artemia and the rotifer were statistically significant (P < 0.05). The conspicuous decline the essential amino acid (EAA) and nonessential amino acid (NEAA) content of the rotifer was observed during the enrichment period. However, the essential amino acid (EAA) and nonessential amino acid (NEAA) contents of Artemia nauplii increased during the enrichment period. The unenriched and enriched rotifers contained more monounsaturated fatty acid (MUFAs) than polyunsaturated fatty acid (PUFAs) and saturated fatty acids (SFA). However, Artemia contained more PUFAs than MUFAs and SFA during the experimental period. A sharp increase in the amounts of docosahexaenoic acid (DHA) during the enrichment of the rotifer and Artemia nauplii was observed. However, the amount of DHA throughout the starvation period decreased in Artemia metanauplii but not in Artemia nauplii. Significant differences in tryptic, leucine aminopeptidase N (LAP), and alkaline phosphatase (AP) enzyme activities of Artemia and rotifer were observed during the enrichment and starvation period (P < 0.05). The digestive enzymes derived from live food to fish larvae provided the highest contribution at the end of the enrichment period. In conclusion, the results of the study provide important contributions to determine the most suitable live food offering time for marine fish larvae. Rotifer should be offered to fish larvae at the end of the enrichment period, Artemia nauplii just after hatching and before being stored at 4 degrees C, and Artemia metanauplii at the end of the enrichment and throughout the starvation period.en_US
dc.identifier.doi10.1007/s10695-007-9199-5
dc.identifier.endpage404en_US
dc.identifier.issn0920-1742
dc.identifier.issn1573-5168
dc.identifier.issue4en_US
dc.identifier.pmid18958597en_US
dc.identifier.scopus2-s2.0-55549098142en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage391en_US
dc.identifier.urihttps://doi.org/10.1007/s10695-007-9199-5
dc.identifier.urihttps://hdl.handle.net/20.500.12483/7933
dc.identifier.volume34en_US
dc.identifier.wosWOS:000260512800012en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofFish Physiology and Biochemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectArtemiaen_US
dc.subjectAmino acidsen_US
dc.subjectBrachionus plicatilisen_US
dc.subjectDigestive enzymesen_US
dc.subjectEnrichment perioden_US
dc.subjectFatty acidsen_US
dc.subjectLive fooden_US
dc.subjectStarvation perioden_US
dc.titleThe changes in the biochemical compositions and enzymatic activities of rotifer (Brachionus plicatilis, Muller) and Artemia during the enrichment and starvation periodsen_US
dc.typeArticleen_US

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