Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas
[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]SPEE International audience To make a preliminary exploration of the possibilities and limits of magnetic resonance imaging (MRI) for assessing body growth and gonad development of the Pacific oyster, Crassostrea gigas, individual monitoring was conduc...
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Format: | Article in Journal/Newspaper |
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2009
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Online Access: | https://hal.inrae.fr/hal-02592544 https://doi.org/10.1051/alr/2009038 |
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ftunivrennes1hal:oai:HAL:hal-02592544v1 2023-05-15T15:57:45+02:00 Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas L'imagerie par résonance magnétique comme moyen de suivre la croissance corporelle et le développement de la gonade chez l'huitre Crassostrea gigas Hatt, P.J. Davenel, A. Eliat, P.A. Quellec, S. Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Technologie des équipements agroalimentaires (UR TERE) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) Université de Rennes (UR) 2009 https://hal.inrae.fr/hal-02592544 https://doi.org/10.1051/alr/2009038 en eng HAL CCSD EDP Sciences info:eu-repo/semantics/altIdentifier/doi/10.1051/alr/2009038 hal-02592544 https://hal.inrae.fr/hal-02592544 doi:10.1051/alr/2009038 IRSTEA: PUB00027615 ISSN: 0990-7440 EISSN: 1765-2952 Aquatic Living Resources https://hal.inrae.fr/hal-02592544 Aquatic Living Resources, 2009, 22, pp.331-339. ⟨10.1051/alr/2009038⟩ DEVELOPPEMENT GONADIC IRM HUITRE [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2009 ftunivrennes1hal https://doi.org/10.1051/alr/2009038 2023-03-15T01:24:47Z [Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]SPEE International audience To make a preliminary exploration of the possibilities and limits of magnetic resonance imaging (MRI) for assessing body growth and gonad development of the Pacific oyster, Crassostrea gigas, individual monitoring was conducted on diploid and triploid oysters in their second year, maintained from February to October in a pond on the French Atlantic coast. Magnetic resonance imaging was done on each oyster on five dates during the study period. From these images, variations in the volumes of the flesh, digestive glandgonad and adductor muscle, and the surface of the gills were measured over time. Apart from the well known differences between diploids and triploids related to maturation of gametes, other original observations of assessing growth were made from these MRI measurements using a non-invasive technique. The standard error of mean dry flesh variation was lower than that found by other commonly used measurement methods. A negative correlation was established between the volume of the gametes spawned and the increase in dry flesh volume after spawning. Moreover, these variations were correlated with the chemical composition of the adductor muscle. All these observations and conclusions need to be confirmed by further observations on oysters of different sizes or grown in different environments. Pour explorer les possibilités et les limites de l'imagerie en résonance magnétique (IRM) sur la croissance corporelle et le développement des gonades de l'huître, Crassostrea gigas, des suivis individuels ont été effectués sur des huîtres diploïdes et triploïdes âgées de 2 ans, élevées en bassins de février à octobre sur les côtes Atlantiques françaises. L'IRM a été effectuée sur chaque huître, à cinq dates durant la période d'étude. Les variations de volume de la chair, de la glande digestive et du muscle adducteur, et de la surface des branchies ont ainsi été mesurées. A part les différences bien connues entre huîtres diploïdes et ... Article in Journal/Newspaper Crassostrea gigas Pacific oyster Université de Rennes 1: Publications scientifiques (HAL) Pacific Aquatic Living Resources 22 3 331 339 |
institution |
Open Polar |
collection |
Université de Rennes 1: Publications scientifiques (HAL) |
op_collection_id |
ftunivrennes1hal |
language |
English |
topic |
DEVELOPPEMENT GONADIC IRM HUITRE [SDE]Environmental Sciences |
spellingShingle |
DEVELOPPEMENT GONADIC IRM HUITRE [SDE]Environmental Sciences Hatt, P.J. Davenel, A. Eliat, P.A. Quellec, S. Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
topic_facet |
DEVELOPPEMENT GONADIC IRM HUITRE [SDE]Environmental Sciences |
description |
[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]SPEE International audience To make a preliminary exploration of the possibilities and limits of magnetic resonance imaging (MRI) for assessing body growth and gonad development of the Pacific oyster, Crassostrea gigas, individual monitoring was conducted on diploid and triploid oysters in their second year, maintained from February to October in a pond on the French Atlantic coast. Magnetic resonance imaging was done on each oyster on five dates during the study period. From these images, variations in the volumes of the flesh, digestive glandgonad and adductor muscle, and the surface of the gills were measured over time. Apart from the well known differences between diploids and triploids related to maturation of gametes, other original observations of assessing growth were made from these MRI measurements using a non-invasive technique. The standard error of mean dry flesh variation was lower than that found by other commonly used measurement methods. A negative correlation was established between the volume of the gametes spawned and the increase in dry flesh volume after spawning. Moreover, these variations were correlated with the chemical composition of the adductor muscle. All these observations and conclusions need to be confirmed by further observations on oysters of different sizes or grown in different environments. Pour explorer les possibilités et les limites de l'imagerie en résonance magnétique (IRM) sur la croissance corporelle et le développement des gonades de l'huître, Crassostrea gigas, des suivis individuels ont été effectués sur des huîtres diploïdes et triploïdes âgées de 2 ans, élevées en bassins de février à octobre sur les côtes Atlantiques françaises. L'IRM a été effectuée sur chaque huître, à cinq dates durant la période d'étude. Les variations de volume de la chair, de la glande digestive et du muscle adducteur, et de la surface des branchies ont ainsi été mesurées. A part les différences bien connues entre huîtres diploïdes et ... |
author2 |
Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Technologie des équipements agroalimentaires (UR TERE) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) Université de Rennes (UR) |
format |
Article in Journal/Newspaper |
author |
Hatt, P.J. Davenel, A. Eliat, P.A. Quellec, S. |
author_facet |
Hatt, P.J. Davenel, A. Eliat, P.A. Quellec, S. |
author_sort |
Hatt, P.J. |
title |
Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
title_short |
Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
title_full |
Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
title_fullStr |
Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
title_full_unstemmed |
Magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster Crassostrea gigas |
title_sort |
magnetic resonance imaging as a means to assess the body growth and the gonad development of the oyster crassostrea gigas |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.inrae.fr/hal-02592544 https://doi.org/10.1051/alr/2009038 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Crassostrea gigas Pacific oyster |
genre_facet |
Crassostrea gigas Pacific oyster |
op_source |
ISSN: 0990-7440 EISSN: 1765-2952 Aquatic Living Resources https://hal.inrae.fr/hal-02592544 Aquatic Living Resources, 2009, 22, pp.331-339. ⟨10.1051/alr/2009038⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1051/alr/2009038 hal-02592544 https://hal.inrae.fr/hal-02592544 doi:10.1051/alr/2009038 IRSTEA: PUB00027615 |
op_doi |
https://doi.org/10.1051/alr/2009038 |
container_title |
Aquatic Living Resources |
container_volume |
22 |
container_issue |
3 |
container_start_page |
331 |
op_container_end_page |
339 |
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1766393448301068288 |