A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.)
To sustain eel aquaculture, development of reproduction in captivity is vital. The aim of this review is to assess our current knowledge on the nutrition of broodstock eels in order to improve the quality of broodstock under farming conditions, drawing information from wild adult eels and other mari...
Published in: | Aquaculture Nutrition |
---|---|
Main Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2013
|
Subjects: | |
Online Access: | https://research.wur.nl/en/publications/a-review-on-broodstock-nutrition-of-marine-pelagic-spawners-the-c https://doi.org/10.1111/anu.12091 |
id |
ftunivwagenin:oai:library.wur.nl:wurpubs/443053 |
---|---|
record_format |
openpolar |
spelling |
ftunivwagenin:oai:library.wur.nl:wurpubs/443053 2024-02-04T10:00:30+01:00 A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) Heinsbroek, L.T.N. Støttrup, J.G. Jacobsen, C. Corraze, G. Kraiem, M.M. Holst, L.K. Tomkiewicz, J. Kaushik, S.J. 2013 application/pdf https://research.wur.nl/en/publications/a-review-on-broodstock-nutrition-of-marine-pelagic-spawners-the-c https://doi.org/10.1111/anu.12091 en eng info:eu-repo/grantAgreement/EC/FP7/245257 https://edepot.wur.nl/278152 https://research.wur.nl/en/publications/a-review-on-broodstock-nutrition-of-marine-pelagic-spawners-the-c doi:10.1111/anu.12091 info:eu-repo/semantics/restrictedAccess Wageningen University & Research Aquaculture Nutrition 19 (2013) s1 ISSN: 1353-5773 bass dicentrarchus-labrax cod gadus-morhua dentex dentex-dentex european sea bass fatty-acid-composition free amino-acids halibut hippoglossus-hippoglossus seabream sparus-aurata turbot scophthalmus-maximus yolk-sac larvae info:eu-repo/semantics/article Article/Letter to editor info:eu-repo/semantics/publishedVersion 2013 ftunivwagenin https://doi.org/10.1111/anu.12091 2024-01-10T23:20:38Z To sustain eel aquaculture, development of reproduction in captivity is vital. The aim of this review is to assess our current knowledge on the nutrition of broodstock eels in order to improve the quality of broodstock under farming conditions, drawing information from wild adult eels and other marine pelagic spawners. Freshwater eels spawn marine pelagic eggs with an oil droplet (type II), and with a large perivitelline space. Compared with other marine fish eggs, eel eggs are at the extreme end of the spectrum in terms of egg composition, even within this type II group. Eel eggs contain a large amount of total lipids, and a shortage of neutral lipids has been implied a cause for reduced survival of larvae. Eel eggs have higher ARA but lower EPA and DHA levels than in other fish. Too high levels of ARA negatively affected reproduction in the Japanese eel, although high levels of 18:2n-6 in the eggs of farmed eels were not detrimental. The total free amino acid amount and profile of eel eggs appears much different from other marine pelagic spawners. Nutritional intervention to influence egg composition seems feasible, but responsiveness of farmed eels to induced maturation might also require environmental manipulation. The challenge remains to succeed in raising European eel broodstock with formulated feeds and to enable the procurement of viable eggs and larvae, once adequate protocols for induced maturation have been developed. Article in Journal/Newspaper Gadus morhua Scophthalmus maximus Turbot Wageningen UR (University & Research Centre): Digital Library Aquaculture Nutrition 19 1 24 |
institution |
Open Polar |
collection |
Wageningen UR (University & Research Centre): Digital Library |
op_collection_id |
ftunivwagenin |
language |
English |
topic |
bass dicentrarchus-labrax cod gadus-morhua dentex dentex-dentex european sea bass fatty-acid-composition free amino-acids halibut hippoglossus-hippoglossus seabream sparus-aurata turbot scophthalmus-maximus yolk-sac larvae |
spellingShingle |
bass dicentrarchus-labrax cod gadus-morhua dentex dentex-dentex european sea bass fatty-acid-composition free amino-acids halibut hippoglossus-hippoglossus seabream sparus-aurata turbot scophthalmus-maximus yolk-sac larvae Heinsbroek, L.T.N. Støttrup, J.G. Jacobsen, C. Corraze, G. Kraiem, M.M. Holst, L.K. Tomkiewicz, J. Kaushik, S.J. A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
topic_facet |
bass dicentrarchus-labrax cod gadus-morhua dentex dentex-dentex european sea bass fatty-acid-composition free amino-acids halibut hippoglossus-hippoglossus seabream sparus-aurata turbot scophthalmus-maximus yolk-sac larvae |
description |
To sustain eel aquaculture, development of reproduction in captivity is vital. The aim of this review is to assess our current knowledge on the nutrition of broodstock eels in order to improve the quality of broodstock under farming conditions, drawing information from wild adult eels and other marine pelagic spawners. Freshwater eels spawn marine pelagic eggs with an oil droplet (type II), and with a large perivitelline space. Compared with other marine fish eggs, eel eggs are at the extreme end of the spectrum in terms of egg composition, even within this type II group. Eel eggs contain a large amount of total lipids, and a shortage of neutral lipids has been implied a cause for reduced survival of larvae. Eel eggs have higher ARA but lower EPA and DHA levels than in other fish. Too high levels of ARA negatively affected reproduction in the Japanese eel, although high levels of 18:2n-6 in the eggs of farmed eels were not detrimental. The total free amino acid amount and profile of eel eggs appears much different from other marine pelagic spawners. Nutritional intervention to influence egg composition seems feasible, but responsiveness of farmed eels to induced maturation might also require environmental manipulation. The challenge remains to succeed in raising European eel broodstock with formulated feeds and to enable the procurement of viable eggs and larvae, once adequate protocols for induced maturation have been developed. |
format |
Article in Journal/Newspaper |
author |
Heinsbroek, L.T.N. Støttrup, J.G. Jacobsen, C. Corraze, G. Kraiem, M.M. Holst, L.K. Tomkiewicz, J. Kaushik, S.J. |
author_facet |
Heinsbroek, L.T.N. Støttrup, J.G. Jacobsen, C. Corraze, G. Kraiem, M.M. Holst, L.K. Tomkiewicz, J. Kaushik, S.J. |
author_sort |
Heinsbroek, L.T.N. |
title |
A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
title_short |
A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
title_full |
A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
title_fullStr |
A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
title_full_unstemmed |
A review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (Anguilla spp.) |
title_sort |
review on broodstock nutrition of marine pelagic spawners: the curious case of the freshwater eels (anguilla spp.) |
publishDate |
2013 |
url |
https://research.wur.nl/en/publications/a-review-on-broodstock-nutrition-of-marine-pelagic-spawners-the-c https://doi.org/10.1111/anu.12091 |
genre |
Gadus morhua Scophthalmus maximus Turbot |
genre_facet |
Gadus morhua Scophthalmus maximus Turbot |
op_source |
Aquaculture Nutrition 19 (2013) s1 ISSN: 1353-5773 |
op_relation |
info:eu-repo/grantAgreement/EC/FP7/245257 https://edepot.wur.nl/278152 https://research.wur.nl/en/publications/a-review-on-broodstock-nutrition-of-marine-pelagic-spawners-the-c doi:10.1111/anu.12091 |
op_rights |
info:eu-repo/semantics/restrictedAccess Wageningen University & Research |
op_doi |
https://doi.org/10.1111/anu.12091 |
container_title |
Aquaculture Nutrition |
container_volume |
19 |
container_start_page |
1 |
op_container_end_page |
24 |
_version_ |
1789965842383896576 |