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Titolo:
Transition from endogenous to exogenous nutritional sources in larval Black Sea turbot Psetta maxima
Autore:
Moteki, M; Yoseda, K; Sahin, T; Ustundag, C; Kohno, H;
Indirizzi:
Tokyo Univ Fisheries, Lab Ichthyol, Minato Ku, Tokyo 1088477, Japan Tokyo Univ Fisheries Tokyo Japan 1088477 Minato Ku, Tokyo 1088477, Japan Trabzon Cent Fisheries Res Inst, Trabzon, Turkey Trabzon Cent Fisheries Res Inst Trabzon Turkey es Inst, Trabzon, Turkey
Titolo Testata:
FISHERIES SCIENCE
fascicolo: 4, volume: 67, anno: 2001,
pagine: 571 - 578
SICI:
0919-9268(200108)67:4<571:TFETEN>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCOPHTHALMUS-MAXIMUS; ENERGY-SOURCES; TEMPERATURE;
Keywords:
Black Sea; energy source; larval development; oil globule; turbot; yolk;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Kohno, H Tokyo Univ Fisheries, Lab Ichthyol, Minato Ku, Tokyo 1088477, Japan Tokyo Univ Fisheries Tokyo Japan 1088477 , Tokyo 1088477, Japan
Citazione:
M. Moteki et al., "Transition from endogenous to exogenous nutritional sources in larval Black Sea turbot Psetta maxima", FISHERIES S, 67(4), 2001, pp. 571-578

Abstract

Early growth, yolk and oil globule absorption, early morphological development and initial feeding were studied in the Black Sea turbot Psetta maxima. Based on energy transition and morphological development, the nutritionaltransition process from enclogenous to exogenous sources was divided into six phases: (i) primordial phase (from hatching to approximate to 30 h after hatching, HAH); (ii) organogenesis phase (to approximate to 90 HAH); (iii) onset of feeding (to approximate to 110 HAH); (iv) early feeding (to approximate to 190 HAH); (v) intensified feeding (to approximate to 230 HAH); and (vi) completion of oil globule absorption (to beyond 345 HAH). Based on comparisons with early life stage features of other marine species, the turbot larvae were shown to possess the following characteristics: (i) oil globule remaining for a long period, resulting in an extended mixed feeding period; and (ii) feeding rate extremely high in larvae immediately following final absorption of the oil globule. These features in early turbot larvae were regarded as advantageous for survival in a rearing condition, althoughthe coincidence of initial feeding with completion of yolk absorption signaled a period of leveled-off growth rate.

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Documento generato il 05/12/20 alle ore 13:47:57