Total lipid in the broodstock diet did not affect fatty acid composition and quality of eggs of sea bass (Dicentrarchus labrax L.)
Open accessAbstract
To determine whether an increase in the quantity of lipids ingested by sea bass (Dicentrarchus labrax) broodstock could improve egg quality, three year-old sea bass were fed three different diets: a natural diet (Control group), and two artificial diets containing 10% or 17% of total lipids. In two consecutive reproductive seasons, the spawning results, the lipid classes and the fatty acid composition of the eggs were studied. No differences in the absolute content of lipids or in the percentage of different lipid classes were observed between the eggs from the three groups. Both experimental groups fed with the artificial diets produced eggs of poor quality, with low percentages of buoyancy and hatching. Those observed in the eggs from the Control Group were significantly higher (p> 0.01) than those of the experimental groups. The higher hatching rate of the eggs from the Control Group was associated with higher DHA:EPA and AA:EPA ratios. The data obtained showed that the fatty acid composition of the eggs was affected by the fatty acid composition of the diets but not by the total quantity of lipids administered to the broodstock.
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The lipid composition of fish eggs improves due to the alteration of habitat that adults are exposed to during the spawning seasons.
“Some researchers have shown that the lipid composition of egg improved due to the alteration of habitat that adults are exposed to during the spawning seasons (Navas et al., 1997; Yanes-Roca et al., 2009).”
From Impacts of phytoplankton availability on bigeye tuna (Thunnus obesus) recruitment in the Indian Ocean (2024) · cites this paper as Navas et al., 1997
The Abstract and Discussion (page numbers unavailable) report that broodstock diet affected egg fatty acid composition and that higher fatty acid ratios were associated with better egg quality. They do not study habitat alteration during spawning; the Lipid class composition of the eggs section also reports no significant differences in lipid classes between diet groups. (LLM, conf=0.82)
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Research works printed but not linked: 5
- Carrillo, M., S. Zanuy, F. Oyen, J. Cerdá, J. M. Navas and J. Ramos. -2000. Some criteria of the quality of the progenie as indica- tors of physiological broodstock fitness. In: CIHEAM (ed.), Recent advances in Mediterranean aquaculture finfish species diversification, pp. 61-74. Cahiers Options Méditerranées, 47.
- Christie,W.W. -1982. Lipid Analysis. Pergamon Press, Oxford.
- Mercure, F. and G. Van der Kraak. -1995. Evidence for peroxiso- mal involvement in ovarian steroidogenesis in teleosts. In: F.W. Goetz and P. Thomas (eds.), Proceedings of the Fifth Interna- tional Symposium on Reproductive Physiology of Fish. Fish Symp. 95, pp. 321. Austin, Texas.
- Sargent, J.R., R.J. Henderson and D.R. Tocher. -1989. The lipids. In: J.E. Halver (ed.), Fish Nutrition 2nd edn., pp. 153-218. Aca- demic Press, San Diego.
- Zohar, Y., M. Harel, S. Hassin and A. Tandler. -1995. Gilt-head sea bream. In: N.R. Bromage and R.J. Roberts (eds.): Brood- stock management and larval quality, pp. 94-117. Blackwell Science, Oxford. Scient. ed.: P. Abelló
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Wang, Y., Zhang, Y., Geng, Z., & Zhu, J. (2024) · Frontiers in Marine Science · doi:10.3389/fmars.2024.1392273 · Cited by 2 · see citing works
- Authors
- Navas, J. M., Thrush, M., Zanuy, S., Ramos, J., Bromage, N., & Carrillo, M.
- Affiliations
- University of Stirling (GB)
- Consejo Superior de Investigaciones Científicas (ES)
- Venue
- Scientia Marina
- Publisher
- Editorial CSIC
- Published
- 2001-03-30
- Volume
- 65
- Issue
- 1
- Pages
- 11-19
- ISSN
- 0214-8358 (ISSN-L)
- 1886-8134
- OpenAlex
- W1782993213
- Cited by
- 18
- References
- 0
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 1 · 2021: 1 · 2020: 3 · 2015: 3 · 2014: 1 · 2013: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Scientia Marina (publishedVersion, cc-by)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Generalitat Valenciana
- Topics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Reproductive biology and impacts on aquatic species
- Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
- Keywords
- Dicentrarchus labrax, broodstock nutrition, dietary lipid level, egg quality, fatty acid composition, lipid classes, hatchability, egg buoyancy, DHA/EPA ratio, artificial diet, natural diet, fish reproduction
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