Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla
Gastrointestinal and metabolic influences on short- and medium-term control of voluntary feed intake of European eel were investigated for groups of fish fed at different feeding schedules: 1 meal 2 days(-1), 1 meal day(-1), 2 meals day(-1) and continuous feeding for 12 h and 24 h daily. For fish fe...
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ftunivwagenin:oai:library.wur.nl:wurpubs/366052 2024-02-04T09:52:59+01:00 Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla Heinsbroek, L.T.N. Goedegebuur, B.J. Bloemhof, G. Flach, R.B. de Jong, G.D.C. 2008 application/pdf https://research.wur.nl/en/publications/gastrointestinal-and-metabolic-effects-of-feeding-schedule-on-vol https://doi.org/10.1007/s10499-007-9128-8 en eng https://edepot.wur.nl/43315 https://research.wur.nl/en/publications/gastrointestinal-and-metabolic-effects-of-feeding-schedule-on-vol doi:10.1007/s10499-007-9128-8 info:eu-repo/semantics/restrictedAccess Wageningen University & Research Aquaculture International 16 (2008) 2 ISSN: 0967-6120 arctic charr atlantic salmon body-weight food-intake gastric evacuation meal size oncorhynchus-mykiss rainbow-trout scophthalmus-maximus l self-feeders info:eu-repo/semantics/article Article/Letter to editor info:eu-repo/semantics/publishedVersion 2008 ftunivwagenin https://doi.org/10.1007/s10499-007-9128-8 2024-01-10T23:24:12Z Gastrointestinal and metabolic influences on short- and medium-term control of voluntary feed intake of European eel were investigated for groups of fish fed at different feeding schedules: 1 meal 2 days(-1), 1 meal day(-1), 2 meals day(-1) and continuous feeding for 12 h and 24 h daily. For fish fed daily, the feeding schedule had no effect on feed intake, metabolism, growth, size variation and body composition. Only fish fed once every 2 days could not completely compensate by increasing their average meal size and showed a reduced feed intake, metabolism and growth. Stomach capacity did not limit meal size and feed intake as large differences in appetite were found for eels with empty stomachs. Feed intake was related to metabolism as the levels of O-2 consumption and NH4 excretion just before the meal were correlated to average meal size, suggesting that rate (and duration) of metabolism is sensed and is providing information about the metabolic consequences of feed intake and feed processing. Meal size is based on the (expected) scope for metabolism and eels seem to strive to an average daily feed intake, associated with their developmental state (growth potential). Plasticity in this feed intake behaviour, expressed by individual variation in feed intake and day-to-day fluctuations in individual and group intake, is regarded as adaptive on different time scales. Article in Journal/Newspaper Anguilla anguilla Arctic charr Arctic Atlantic salmon Scophthalmus maximus Wageningen UR (University & Research Centre): Digital Library Arctic Aquaculture International 16 2 93 108 |
institution |
Open Polar |
collection |
Wageningen UR (University & Research Centre): Digital Library |
op_collection_id |
ftunivwagenin |
language |
English |
topic |
arctic charr atlantic salmon body-weight food-intake gastric evacuation meal size oncorhynchus-mykiss rainbow-trout scophthalmus-maximus l self-feeders |
spellingShingle |
arctic charr atlantic salmon body-weight food-intake gastric evacuation meal size oncorhynchus-mykiss rainbow-trout scophthalmus-maximus l self-feeders Heinsbroek, L.T.N. Goedegebuur, B.J. Bloemhof, G. Flach, R.B. de Jong, G.D.C. Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
topic_facet |
arctic charr atlantic salmon body-weight food-intake gastric evacuation meal size oncorhynchus-mykiss rainbow-trout scophthalmus-maximus l self-feeders |
description |
Gastrointestinal and metabolic influences on short- and medium-term control of voluntary feed intake of European eel were investigated for groups of fish fed at different feeding schedules: 1 meal 2 days(-1), 1 meal day(-1), 2 meals day(-1) and continuous feeding for 12 h and 24 h daily. For fish fed daily, the feeding schedule had no effect on feed intake, metabolism, growth, size variation and body composition. Only fish fed once every 2 days could not completely compensate by increasing their average meal size and showed a reduced feed intake, metabolism and growth. Stomach capacity did not limit meal size and feed intake as large differences in appetite were found for eels with empty stomachs. Feed intake was related to metabolism as the levels of O-2 consumption and NH4 excretion just before the meal were correlated to average meal size, suggesting that rate (and duration) of metabolism is sensed and is providing information about the metabolic consequences of feed intake and feed processing. Meal size is based on the (expected) scope for metabolism and eels seem to strive to an average daily feed intake, associated with their developmental state (growth potential). Plasticity in this feed intake behaviour, expressed by individual variation in feed intake and day-to-day fluctuations in individual and group intake, is regarded as adaptive on different time scales. |
format |
Article in Journal/Newspaper |
author |
Heinsbroek, L.T.N. Goedegebuur, B.J. Bloemhof, G. Flach, R.B. de Jong, G.D.C. |
author_facet |
Heinsbroek, L.T.N. Goedegebuur, B.J. Bloemhof, G. Flach, R.B. de Jong, G.D.C. |
author_sort |
Heinsbroek, L.T.N. |
title |
Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
title_short |
Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
title_full |
Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
title_fullStr |
Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
title_full_unstemmed |
Gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of European eel, Anguilla anguilla |
title_sort |
gastrointestinal and metabolic effects of feeding schedule on voluntary feed intake and growth of european eel, anguilla anguilla |
publishDate |
2008 |
url |
https://research.wur.nl/en/publications/gastrointestinal-and-metabolic-effects-of-feeding-schedule-on-vol https://doi.org/10.1007/s10499-007-9128-8 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Anguilla anguilla Arctic charr Arctic Atlantic salmon Scophthalmus maximus |
genre_facet |
Anguilla anguilla Arctic charr Arctic Atlantic salmon Scophthalmus maximus |
op_source |
Aquaculture International 16 (2008) 2 ISSN: 0967-6120 |
op_relation |
https://edepot.wur.nl/43315 https://research.wur.nl/en/publications/gastrointestinal-and-metabolic-effects-of-feeding-schedule-on-vol doi:10.1007/s10499-007-9128-8 |
op_rights |
info:eu-repo/semantics/restrictedAccess Wageningen University & Research |
op_doi |
https://doi.org/10.1007/s10499-007-9128-8 |
container_title |
Aquaculture International |
container_volume |
16 |
container_issue |
2 |
container_start_page |
93 |
op_container_end_page |
108 |
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1789963222253568000 |