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Comparison of dietary phospholipids and neutral lipids on skeletal development and fatty acid composition in Atlantic cod (Gadus morhua) ArchiMer
Kjorsvik, Elin; Olsen, Cecilia; Wold, Per-arvid; Hoehne-reitan, Katja; Cahu, Chantal; Rainuzzo, Jose; Olsen, Atle Ivar; Oie, Gunvor; Olsen, Yngvar.
Dietary essential fatty acids may affect larval skeletal formation. The aim of this study was to compare effects on growth and osteological development of dietary docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) being incorporated in the phospholipid (diets PL1 and PL3) or in the neutral lipid (diet NL1) fraction of the larval diet for Atlantic cod (Gadus morhua). The diets were labelled according to the estimated percentage of total n-3 fatty acids contained in the dietary neutral lipid (NL1-1.3% of dietary dry matter) or in the phospholipid fraction (PL1-1.1% and PL3-2.3%). Larvae were weaned to the isoenergetic and isolipiclic microdiets from 17 days post hatching (dph). They were co-fed enriched rotifers until 24 dph and received thereafter...
Tipo: Text Palavras-chave: DHA; EPA; Fatty acids; Phospholipids; Dietary requirements; Skeletal deformities; Osteological development; Fish larvae; Cod; Gadus morhua.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-7417.pdf
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Development of the Vertebral Column and Caudal Skeleton in Prochilodus lineatus Larvae under Laboratory Conditions International Journal of Morphology
Hernández,David Roque; Olivera,Carlos; Santinón,Juan José; Ruiz Diaz,Federico José; Sánchez,Sebastián.
For successful fish larviculture thorough studies describing the development of fish in different morphological aspects are required, as they are crucial for larval survival and growth. The present study described in Prochilodus lineatus larvae the osteological development of the vertebral column and caudal skeleton 30 days after hatching (dah). Larvae were obtained by artificial induction of adults. The beginning of formation of the spine occurs between 10 to 12 dah (8.3 mm standard length, SL) simultaneously to the first neural and hemal processes and the pre-caudal vertebral bodies. The ossification of the vertebral column occurred in cranio-caudal direction and was completed at 28 dah (22.6 mm SL). The development of the caudal skeleton elements...
Tipo: Journal article Palavras-chave: Prochilodus lineatus; Larviculture; Osteological development.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100021
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