Effects of dietary arachidonic and eicosapentaenoic acids on common dentex (Dentex dentex Linnaeus 1758) larval performance
Visualitza/Obre
Data de publicació
2019-03-06ISSN
0893-8849
Resum
Oily emulsions containing constant levels of total fatty acids (FAs) and varying eicosapentaenoic acid (EPA) and arachidonic acid (ARA) levels were used to enrich rotifers. Common dentex larval survival and growth were compared between groups fed different enriched live prey. Growth, survival rate, and lipid composition of larvae suggest that feeding common dentex in the first 15 days posthatching with 2.5–3% EPA, 6–8% docosahexaenoic acid (DHA), and DHA/EPA ratio of 2.0–2.5 is sufficient to fulfill their EPA requirements. Higher amounts of dietary EPA did not result in any significant improvement in growth or survival. EPA requirement during this period of larval development does not seem to be as critical as other FAs during the first 15 days of common dentex larval development, but it does not exclude its essentiality later in development. In the case of ARA, nutritional requirements are low compared to other marine finfish species, with the upper limit of this essential FA being around 2% of total FAs provided in the live prey composition.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
63 - Agricultura. Silvicultura. Zootècnia. Caça. Pesca
Pàgines
37
Publicat per
Wiley
Publicat a
Journal of the World Aquaculture Society
Citació
Giménez Papiol, Gemma, and Alicia Estévez. 2019. "Effects Of Dietary Arachidonic And Eicosapentaenoic Acids On Common Dentex (Dentex Dentex Linnaeus 1758) Larval Performance". Journal Of The World Aquaculture Society. Wiley. doi:10.1111/jwas.12599.
Número de l'acord de la subvenció
MAPAMA/JACUMAR/ /ES/Cultivo de espáridos no dorada. Subproyecto dentón/
INIA/ /ACU02-006/ES/Estudio del requerimiento en ácidos grasos de las larvas de dos especies de peces marinos, el dentón (Dentex dentex) y el lenguado (Solea senegalensis) en cultivo/
Programa
Aqüicultura
Aquest element apareix en la col·lecció o col·leccions següent(s)
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