Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS
In Europe, turbot aquaculture has a high potential for sustainable production, but the low tolerance to fishmeal replacement in the diet represents a big issue. Therefore, this study investigated the effects of more sustainable feed formulations on growth and feed performance, as well as nutritional...
Published in: | Aquaculture International |
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2022
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ftawi:oai:epic.awi.de:55935 2023-05-15T18:15:50+02:00 Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS Hoerterer, Christina Petereit, Jessica Lannig, Gisela Johansen, Johan Pereira, Gabriella V. Conceição, Luis E. C. Pastres, Roberto Buck, Bela H. 2022-03-16 application/pdf https://epic.awi.de/id/eprint/55935/ https://epic.awi.de/id/eprint/55935/1/Hoerterer_et_al-2022-Aquaculture_International.pdf https://doi.org/10.1007/s10499-022-00859-x https://hdl.handle.net/10013/epic.47753b80-75c2-4218-8280-0709c01369ef https://hdl.handle.net/ unknown https://epic.awi.de/id/eprint/55935/1/Hoerterer_et_al-2022-Aquaculture_International.pdf https://hdl.handle.net/ Hoerterer, C. orcid:0000-0001-5627-456X , Petereit, J. , Lannig, G. orcid:0000-0002-9210-256X , Johansen, J. , Pereira, G. V. , Conceição, L. E. C. , Pastres, R. and Buck, B. H. orcid:0000-0001-7491-3273 (2022) Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS , Aquaculture International . doi:10.1007/s10499-022-00859-x <https://doi.org/10.1007/s10499-022-00859-x> , hdl:10013/epic.47753b80-75c2-4218-8280-0709c01369ef info:eu-repo/semantics/openAccess EPIC3Aquaculture International, ISSN: 0967-6120 Article isiRev info:eu-repo/semantics/article 2022 ftawi https://doi.org/10.1007/s10499-022-00859-x 2022-04-10T23:10:08Z In Europe, turbot aquaculture has a high potential for sustainable production, but the low tolerance to fishmeal replacement in the diet represents a big issue. Therefore, this study investigated the effects of more sustainable feed formulations on growth and feed performance, as well as nutritional status of juvenile turbot in recirculating aquaculture systems. In a 16-week feeding trial with 20 g juvenile turbot, one control diet containing traditional fishmeal, fish oil and soy products and two experimental diets where 20% of the fishmeal was replaced either with processed animal proteins (PAP) or with terrestrial plant proteins (PLANT) were tested. Irrespective of diets, growth performance was similar between groups, whereas the feed performance was significantly reduced in fish of the PAP group compared to the control. Comparing growth, feed utilisation and biochemical parameters, the results indicate that the fish fed on PAP diet had the lowest performance. Fish fed the PLANT diet had similar feed utilisation compared to the control, whereas parameters of the nutritional status, such as condition factor, hepato-somatic index and glycogen content showed reduced levels after 16 weeks. These effects in biochemical parameters are within the physiological range and therefore not the cause of negative performance. Since growth was unaffected, the lower feed performance of fish that were fed the PAP formulation might be balanced by the cost efficient formulation in comparison to the commercial and the PLANT formulations. Present study highlights the suitability of alternative food formulation for farmed fish. Article in Journal/Newspaper Scophthalmus maximus Turbot Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Aquaculture International 30 3 1481 1504 |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
language |
unknown |
description |
In Europe, turbot aquaculture has a high potential for sustainable production, but the low tolerance to fishmeal replacement in the diet represents a big issue. Therefore, this study investigated the effects of more sustainable feed formulations on growth and feed performance, as well as nutritional status of juvenile turbot in recirculating aquaculture systems. In a 16-week feeding trial with 20 g juvenile turbot, one control diet containing traditional fishmeal, fish oil and soy products and two experimental diets where 20% of the fishmeal was replaced either with processed animal proteins (PAP) or with terrestrial plant proteins (PLANT) were tested. Irrespective of diets, growth performance was similar between groups, whereas the feed performance was significantly reduced in fish of the PAP group compared to the control. Comparing growth, feed utilisation and biochemical parameters, the results indicate that the fish fed on PAP diet had the lowest performance. Fish fed the PLANT diet had similar feed utilisation compared to the control, whereas parameters of the nutritional status, such as condition factor, hepato-somatic index and glycogen content showed reduced levels after 16 weeks. These effects in biochemical parameters are within the physiological range and therefore not the cause of negative performance. Since growth was unaffected, the lower feed performance of fish that were fed the PAP formulation might be balanced by the cost efficient formulation in comparison to the commercial and the PLANT formulations. Present study highlights the suitability of alternative food formulation for farmed fish. |
format |
Article in Journal/Newspaper |
author |
Hoerterer, Christina Petereit, Jessica Lannig, Gisela Johansen, Johan Pereira, Gabriella V. Conceição, Luis E. C. Pastres, Roberto Buck, Bela H. |
spellingShingle |
Hoerterer, Christina Petereit, Jessica Lannig, Gisela Johansen, Johan Pereira, Gabriella V. Conceição, Luis E. C. Pastres, Roberto Buck, Bela H. Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
author_facet |
Hoerterer, Christina Petereit, Jessica Lannig, Gisela Johansen, Johan Pereira, Gabriella V. Conceição, Luis E. C. Pastres, Roberto Buck, Bela H. |
author_sort |
Hoerterer, Christina |
title |
Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
title_short |
Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
title_full |
Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
title_fullStr |
Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
title_full_unstemmed |
Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS |
title_sort |
sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (scophthalmus maximus) in ras |
publishDate |
2022 |
url |
https://epic.awi.de/id/eprint/55935/ https://epic.awi.de/id/eprint/55935/1/Hoerterer_et_al-2022-Aquaculture_International.pdf https://doi.org/10.1007/s10499-022-00859-x https://hdl.handle.net/10013/epic.47753b80-75c2-4218-8280-0709c01369ef https://hdl.handle.net/ |
genre |
Scophthalmus maximus Turbot |
genre_facet |
Scophthalmus maximus Turbot |
op_source |
EPIC3Aquaculture International, ISSN: 0967-6120 |
op_relation |
https://epic.awi.de/id/eprint/55935/1/Hoerterer_et_al-2022-Aquaculture_International.pdf https://hdl.handle.net/ Hoerterer, C. orcid:0000-0001-5627-456X , Petereit, J. , Lannig, G. orcid:0000-0002-9210-256X , Johansen, J. , Pereira, G. V. , Conceição, L. E. C. , Pastres, R. and Buck, B. H. orcid:0000-0001-7491-3273 (2022) Sustainable fish feeds: potential of emerging protein sources in diets for juvenile turbot (Scophthalmus maximus) in RAS , Aquaculture International . doi:10.1007/s10499-022-00859-x <https://doi.org/10.1007/s10499-022-00859-x> , hdl:10013/epic.47753b80-75c2-4218-8280-0709c01369ef |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1007/s10499-022-00859-x |
container_title |
Aquaculture International |
container_volume |
30 |
container_issue |
3 |
container_start_page |
1481 |
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1504 |
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1766189070640218112 |