Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets
11 pages, 3 figures, 8 tables
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Elsevier
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| Subjects: | Octopus vulgaris, Parental diet, Spawn quality, Offspring biochemical composition, |
| Online Access: | http://hdl.handle.net/10261/123937 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011011 |
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Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition |
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Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition Quintana, D. Marquez, L. Arévalo, José Ramón Lorenzo, Antonio Almansa, E. Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
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11 pages, 3 figures, 8 tables |
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Junta de Andalucía |
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Junta de Andalucía Quintana, D. Marquez, L. Arévalo, José Ramón Lorenzo, Antonio Almansa, E. |
| format |
artículo |
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Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition |
| author |
Quintana, D. Marquez, L. Arévalo, José Ramón Lorenzo, Antonio Almansa, E. |
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Quintana, D. |
| title |
Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
| title_short |
Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
| title_full |
Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
| title_fullStr |
Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
| title_full_unstemmed |
Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets |
| title_sort |
relationships between spawn quality and biochemical composition of eggs and hatchlings of octopus vulgaris under different parental diets |
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Elsevier |
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http://hdl.handle.net/10261/123937 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011011 |
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dig-icm-es-10261-1239372017-11-24T08:37:52Z Relationships between spawn quality and biochemical composition of eggs and hatchlings of Octopus vulgaris under different parental diets Quintana, D. Marquez, L. Arévalo, José Ramón Lorenzo, Antonio Almansa, E. Junta de Andalucía Ministerio de Economía y Competitividad (España) European Commission Octopus vulgaris Parental diet Spawn quality Offspring biochemical composition 11 pages, 3 figures, 8 tables Three frozen mono-diets (sardine, crab and squid) were supplied to Octopus vulgaris broodstocks, and their effects on the spawn quality and biochemical composition of eggs and hatchlings were studied. Squid and crab diets achieved superior spawn quality, producing in general significantly larger eggs, as compared to sardine diet. Similar differences were also observed in the biometric parameters of hatchlings (ventral and dorsal mantle lengths and dry weight) as well as in the survival of fasted hatchling which were greater in the squid and crab groups with respect to sardine treatment. On the other side, a strong and significant relationship between the mentioned biometrical measures and hatchlings survival was found, suggesting that eggs and hatchlings early biometrical measures can be utilized as a predictor for larval viability. Statistical techniques as multivariate and correlation analyses were used to distinguish dietary groups based on protein content and lipid and fatty acid composition of achieved eggs and hatchlings as well as to relate this composition with spawn quality parameters. The analyses allowed to discriminate the nutrient composition of the early stages which was also found to be significantly correlated to the differences in the spawn quality of the different dietary groups, thereby underlining the importance of the protein content, and lipid classes like phosphatidylethanolamine, phosphatidylcholine, cholesterol and triacylglycerol, as well as docosahexaenoic (22:6n-3) and eicosapentaenoic (20:5n-3) fatty acids in the reproduction of O. vulgaris. Statement of Relevance: It has been demonstrated that biochemical composition of the broodstock diet is a major determinant of successful reproduction and offspring survival in teleost fish (Watanabe & Vasallo-Agius, 2003; Bobe and Labbé, 2009). For Octopus vulgaris, our data suggest that the broodstock diet influenced the protein content and lipid composition of eggs and hatchlings, and these nutrients are related to the differences found in the spawn quality. A strong and significant relationship between the measured biometrical parameters and hatchlings survival was also found, suggesting that eggs and hatchlings early biometrical measures can be utilized as a predictor for larval viability.On the other side, the utilization of nutrients during the embryo development can also be seen as an indicator of the nutritional requirements during the early stages of development and be useful for a future advance in the formulation of paralarvae artificial diets. Our results pointed to an embryo catabolism mainly based on proteins, as previously suggested (Lee, 1994; Villanueva and Norman, 2008). Data also suggest that triacylglycerol, sterol ester and phosphatidylcholine were specifically catabolized for energy and/or used to de novo synthesize lipid classes such as PS or PE. Within fatty acids, we found that arachidonic acid was strongly reduced (50-51%) during embryonic development. Further studies on the particular role of AA and the n-3 HUFA (mainly EPA and DHA) for early stages of O. vulgaris are needed, specially taking into account that these FAs are essential for this species (Monroig et al., 2012a,b). © 2015 Elsevier B.V. This work was supported by the project RTA04-122-C2 from the Spanish Government as well as by the European Union program: Iniciativa Comunitaria INTERREG III A España-Portugal: Proyecto Diveraqua SP5 E36. Daniel Quintana would like to thank the support of the Junta de Andalucía fellowship during the experimental period of this research Peer Reviewed 2015-09 2015-10-27T12:45:17Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.aquaculture.2015.04.023 issn: 0044-8486 Aquaculture 446: 206-216 (2015) http://hdl.handle.net/10261/123937 10.1016/j.aquaculture.2015.04.023 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.1016/j.aquaculture.2015.04.023 Sí none Elsevier |