Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts
International audience Determining the nutrient digestibility of a new ingredient is considered the first step to evaluate its suitability for use in aquaculture feeds. Thraustochytrids are considered a promising alternative to the partial replacement of fish oil. These microorganisms have a high lo...
Published in: | Algal Research |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Online Access: | https://hal.inrae.fr/hal-03667212 https://doi.org/10.1016/j.algal.2022.102711 |
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ftunivnantes:oai:HAL:hal-03667212v1 2023-05-15T15:32:11+02:00 Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts Ruiz, Joceline Corraze, Geneviève Márquez, Lorenzo Orellana, Paola Hernández, Adrián Dantagnan, Patricio Universidad Católica de Temuco (UCT) Nutrition, Métabolisme, Aquaculture (NuMéA) Université de Pau et des Pays de l'Adour (UPPA)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Universidad de Almería (UAL) National Research and Development Agency of Chile, ANID (PFCHA/Doctorado Nacional/2017-21171700) Laboratory of Fish Nutrition and Physiology, Catholic University of Temuco 2022 https://hal.inrae.fr/hal-03667212 https://doi.org/10.1016/j.algal.2022.102711 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.algal.2022.102711 hal-03667212 https://hal.inrae.fr/hal-03667212 doi:10.1016/j.algal.2022.102711 WOS: 000798250400001 ISSN: 2211-9264 Algal Research - Biomass, Biofuels and Bioproducts https://hal.inrae.fr/hal-03667212 Algal Research - Biomass, Biofuels and Bioproducts, Elsevier, 2022, 64, ⟨10.1016/j.algal.2022.102711⟩ Digestibility Aurantiochytrium acetophilum Thraustochytrids Unicellular raw material Salmo salar Fish feed [SDV.BA]Life Sciences [q-bio]/Animal biology [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition info:eu-repo/semantics/article Journal articles 2022 ftunivnantes https://doi.org/10.1016/j.algal.2022.102711 2022-11-09T00:21:34Z International audience Determining the nutrient digestibility of a new ingredient is considered the first step to evaluate its suitability for use in aquaculture feeds. Thraustochytrids are considered a promising alternative to the partial replacement of fish oil. These microorganisms have a high long-chain fatty acid content, mainly docosahexaenoic acid (22:6-n-3). In this study, the apparent digestibility coefficient (ADC) of macronutrients provided by the biomass of whole and disrupted cells of Aurantiochytrium acetophilum in diets for Atlantic salmon (Salmo salar) were evaluated. A total of 44 fish per tank (34.4 ± 0.5 g) were used; the fish were randomly assigned to fifteen 100-L tanks. The apparent nutrient digestibility of the two forms of A. acetophilum biomass (whole and disrupted cells) was calculated by comparison with a reference diet apparent nutrient digestibility and in two levels of combination (10 and 20%) with each ingredient to be tested. The fish were fed the reference diet and the test ingredient diets for 25 days. Fish faeces were collected using decantation columns and analyzed to determine the ADC of dry matter, protein, lipids and gross energy. Two-way factorial analysis of variance indicated that the digestibility of dry matter, lipids and energy were significantly affected (P < 0.05) by cell treatment, inclusion percentage and the interaction between both factors. Compared to the whole-cell format, the physical treatment applied to rupture the cell walls favoured the ADC of dry matter, energy and lipids in juvenile Atlantic salmon when 20% of the ingredient was incorporated. On the contrary, inclusion of whole-cell biomass at 20% contributed to a significant decrease (P < 0.05) in the ADC of all the nutrients evaluated. The results suggest that cellular disruption of biomass from thraustochytrid with hard cell walls such as A. acetophilum will be advisable before inclusion in a feed formula. This aspect should be specially considered in non-extruded feeds for fish Article in Journal/Newspaper Atlantic salmon Salmo salar Université de Nantes: HAL-UNIV-NANTES Algal Research 64 102711 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Digestibility Aurantiochytrium acetophilum Thraustochytrids Unicellular raw material Salmo salar Fish feed [SDV.BA]Life Sciences [q-bio]/Animal biology [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition |
spellingShingle |
Digestibility Aurantiochytrium acetophilum Thraustochytrids Unicellular raw material Salmo salar Fish feed [SDV.BA]Life Sciences [q-bio]/Animal biology [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition Ruiz, Joceline Corraze, Geneviève Márquez, Lorenzo Orellana, Paola Hernández, Adrián Dantagnan, Patricio Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
topic_facet |
Digestibility Aurantiochytrium acetophilum Thraustochytrids Unicellular raw material Salmo salar Fish feed [SDV.BA]Life Sciences [q-bio]/Animal biology [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition |
description |
International audience Determining the nutrient digestibility of a new ingredient is considered the first step to evaluate its suitability for use in aquaculture feeds. Thraustochytrids are considered a promising alternative to the partial replacement of fish oil. These microorganisms have a high long-chain fatty acid content, mainly docosahexaenoic acid (22:6-n-3). In this study, the apparent digestibility coefficient (ADC) of macronutrients provided by the biomass of whole and disrupted cells of Aurantiochytrium acetophilum in diets for Atlantic salmon (Salmo salar) were evaluated. A total of 44 fish per tank (34.4 ± 0.5 g) were used; the fish were randomly assigned to fifteen 100-L tanks. The apparent nutrient digestibility of the two forms of A. acetophilum biomass (whole and disrupted cells) was calculated by comparison with a reference diet apparent nutrient digestibility and in two levels of combination (10 and 20%) with each ingredient to be tested. The fish were fed the reference diet and the test ingredient diets for 25 days. Fish faeces were collected using decantation columns and analyzed to determine the ADC of dry matter, protein, lipids and gross energy. Two-way factorial analysis of variance indicated that the digestibility of dry matter, lipids and energy were significantly affected (P < 0.05) by cell treatment, inclusion percentage and the interaction between both factors. Compared to the whole-cell format, the physical treatment applied to rupture the cell walls favoured the ADC of dry matter, energy and lipids in juvenile Atlantic salmon when 20% of the ingredient was incorporated. On the contrary, inclusion of whole-cell biomass at 20% contributed to a significant decrease (P < 0.05) in the ADC of all the nutrients evaluated. The results suggest that cellular disruption of biomass from thraustochytrid with hard cell walls such as A. acetophilum will be advisable before inclusion in a feed formula. This aspect should be specially considered in non-extruded feeds for fish |
author2 |
Universidad Católica de Temuco (UCT) Nutrition, Métabolisme, Aquaculture (NuMéA) Université de Pau et des Pays de l'Adour (UPPA)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Universidad de Almería (UAL) National Research and Development Agency of Chile, ANID (PFCHA/Doctorado Nacional/2017-21171700) Laboratory of Fish Nutrition and Physiology, Catholic University of Temuco |
format |
Article in Journal/Newspaper |
author |
Ruiz, Joceline Corraze, Geneviève Márquez, Lorenzo Orellana, Paola Hernández, Adrián Dantagnan, Patricio |
author_facet |
Ruiz, Joceline Corraze, Geneviève Márquez, Lorenzo Orellana, Paola Hernández, Adrián Dantagnan, Patricio |
author_sort |
Ruiz, Joceline |
title |
Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
title_short |
Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
title_full |
Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
title_fullStr |
Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
title_full_unstemmed |
Effect of cell disruption on apparent digestibility of macronutrients from Aurantiochytrium acetophilum in Salmo salar pre-smolts |
title_sort |
effect of cell disruption on apparent digestibility of macronutrients from aurantiochytrium acetophilum in salmo salar pre-smolts |
publisher |
HAL CCSD |
publishDate |
2022 |
url |
https://hal.inrae.fr/hal-03667212 https://doi.org/10.1016/j.algal.2022.102711 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
ISSN: 2211-9264 Algal Research - Biomass, Biofuels and Bioproducts https://hal.inrae.fr/hal-03667212 Algal Research - Biomass, Biofuels and Bioproducts, Elsevier, 2022, 64, ⟨10.1016/j.algal.2022.102711⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.algal.2022.102711 hal-03667212 https://hal.inrae.fr/hal-03667212 doi:10.1016/j.algal.2022.102711 WOS: 000798250400001 |
op_doi |
https://doi.org/10.1016/j.algal.2022.102711 |
container_title |
Algal Research |
container_volume |
64 |
container_start_page |
102711 |
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1766362689437696000 |