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Biopsy sampling of red muscle does not affect physiological performances in rainbow trout

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Title: Biopsy sampling of red muscle does not affect physiological performances in rainbow trout
Authors: Pengam, Morgane, Lehodey, Asrar, Calvès, Patrick, Quéméneur, Jean-Baptiste, Salin, Karine, Amérand, Aline
Contributors: Optimisation des régulations physiologiques (ORPHY (EA 4324)), Université de Brest (UBO)-Centre Hospitalier Régional Universitaire de Brest (CHRU Brest)-Institut Brestois Santé Agro Matière (IBSAM), Université de Brest (UBO)-Université de Brest (UBO), Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS), This study was funded by an Ifremer site political project., Andréaz Dupoué, Elodie Fleury, Agnès Lewden, David Mazurais, Fanny Rioual, Karine Salin, Arianna Servili, Rafael Trevisan, Marie Vagner, Amélia Viricel-Pante
Source: Colloque d'écophysiologie animale 7 (CEPA7) ; https://hal.science/hal-05362500 ; Colloque d'écophysiologie animale 7 (CEPA7), Oct 2025, Plouzané, France. , 2025 ; https://cepa7.sciencesconf.org/
Publisher Information: CCSD
Publication Year: 2025
Collection: Université de Bretagne Occidentale: HAL
Subject Terms: Muscle biopsy, Rainbow trout, Hypoxia resistance, Swimming performance, Morphological aftercare, [SDV]Life Sciences [q-bio]
Subject Geographic: Plouzané, France
Description: International audience ; Muscular biopsy is a non-lethal muscle sampling technique that allows for the fish to be returned to its natural environment or its tank after sampling. This technique offers the opportunity for the fish farmers and scientific community to carry out assays on very small muscle samples (between 1 and 40 mg) such as lipid composition, trace element and heavy metal levels or muscle energetic metabolism to evaluate, for instance, the health of the fish. The aim of the present study was to determine if a red muscle biopsy affects rainbow trout (Oncorhynchus mykiss) physiological performances (swimming and hypoxia resistances) and their survival. Fish that had a biopsy (n=30) or not (n=30) were subsequently tested for either a hypoxia resistance test (HRT) or a swimming resistance test (SRT) which were conducted 7- and 10-days post-surgery (dps), respectively. Results showed that biopsy had no effect on hypoxia resistance and on swimming parameters (tail beat frequency, sustained and critical swimming speeds, standard and maximal oxygen consumptions). Even if no significant effect was observed between control and biopsy groups on morphometric parameters (body weight variation and condition factors), all the trout lost weight which can be explained by a post-surgery trauma such as local inflammation or human manipulation stress. Furthermore, body weight variation was significantly more important for the 7-dps group compared to the 10-dps group which had the opportunity to eat three more days compared to the 7-dps trout. Corroborated with the principal component analysis, red muscle biopsy can be considered as a relevant approach as it had no effect on whole-animal performance and it did not affect their survival.
Document Type: conference object
still image
Language: English
Availability: https://hal.science/hal-05362500
https://hal.science/hal-05362500v1/document
https://hal.science/hal-05362500v1/file/Pengam%20et%20al_Poster.pdf
Rights: http://hal.archives-ouvertes.fr/licences/copyright/ ; info:eu-repo/semantics/OpenAccess
Accession Number: edsbas.8C99D5AF
Database: BASE
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Biopsy sampling of red muscle does not affect physiological performances in rainbow trout
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Pengam%2C+Morgane%22">Pengam, Morgane</searchLink><br /><searchLink fieldCode="AR" term="%22Lehodey%2C+Asrar%22">Lehodey, Asrar</searchLink><br /><searchLink fieldCode="AR" term="%22Calvès%2C+Patrick%22">Calvès, Patrick</searchLink><br /><searchLink fieldCode="AR" term="%22Quéméneur%2C+Jean-Baptiste%22">Quéméneur, Jean-Baptiste</searchLink><br /><searchLink fieldCode="AR" term="%22Salin%2C+Karine%22">Salin, Karine</searchLink><br /><searchLink fieldCode="AR" term="%22Amérand%2C+Aline%22">Amérand, Aline</searchLink>
– Name: Author
  Label: Contributors
  Group: Au
  Data: Optimisation des régulations physiologiques (ORPHY (EA 4324))<br />Université de Brest (UBO)-Centre Hospitalier Régional Universitaire de Brest (CHRU Brest)-Institut Brestois Santé Agro Matière (IBSAM)<br />Université de Brest (UBO)-Université de Brest (UBO)<br />Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR)<br />Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)<br />This study was funded by an Ifremer site political project.<br />Andréaz Dupoué<br />Elodie Fleury<br />Agnès Lewden<br />David Mazurais<br />Fanny Rioual<br />Karine Salin<br />Arianna Servili<br />Rafael Trevisan<br />Marie Vagner<br />Amélia Viricel-Pante
– Name: TitleSource
  Label: Source
  Group: Src
  Data: Colloque d'écophysiologie animale 7 (CEPA7) ; https://hal.science/hal-05362500 ; Colloque d'écophysiologie animale 7 (CEPA7), Oct 2025, Plouzané, France. , 2025 ; https://cepa7.sciencesconf.org/
– Name: Publisher
  Label: Publisher Information
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  Data: CCSD
– Name: DatePubCY
  Label: Publication Year
  Group: Date
  Data: 2025
– Name: Subset
  Label: Collection
  Group: HoldingsInfo
  Data: Université de Bretagne Occidentale: HAL
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Muscle+biopsy%22">Muscle biopsy</searchLink><br /><searchLink fieldCode="DE" term="%22Rainbow+trout%22">Rainbow trout</searchLink><br /><searchLink fieldCode="DE" term="%22Hypoxia+resistance%22">Hypoxia resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Swimming+performance%22">Swimming performance</searchLink><br /><searchLink fieldCode="DE" term="%22Morphological+aftercare%22">Morphological aftercare</searchLink><br /><searchLink fieldCode="DE" term="%22[SDV]Life+Sciences+[q-bio]%22">[SDV]Life Sciences [q-bio]</searchLink>
– Name: Subject
  Label: Subject Geographic
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Plouzané%22">Plouzané</searchLink><br /><searchLink fieldCode="DE" term="%22France%22">France</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: International audience ; Muscular biopsy is a non-lethal muscle sampling technique that allows for the fish to be returned to its natural environment or its tank after sampling. This technique offers the opportunity for the fish farmers and scientific community to carry out assays on very small muscle samples (between 1 and 40 mg) such as lipid composition, trace element and heavy metal levels or muscle energetic metabolism to evaluate, for instance, the health of the fish. The aim of the present study was to determine if a red muscle biopsy affects rainbow trout (Oncorhynchus mykiss) physiological performances (swimming and hypoxia resistances) and their survival. Fish that had a biopsy (n=30) or not (n=30) were subsequently tested for either a hypoxia resistance test (HRT) or a swimming resistance test (SRT) which were conducted 7- and 10-days post-surgery (dps), respectively. Results showed that biopsy had no effect on hypoxia resistance and on swimming parameters (tail beat frequency, sustained and critical swimming speeds, standard and maximal oxygen consumptions). Even if no significant effect was observed between control and biopsy groups on morphometric parameters (body weight variation and condition factors), all the trout lost weight which can be explained by a post-surgery trauma such as local inflammation or human manipulation stress. Furthermore, body weight variation was significantly more important for the 7-dps group compared to the 10-dps group which had the opportunity to eat three more days compared to the 7-dps trout. Corroborated with the principal component analysis, red muscle biopsy can be considered as a relevant approach as it had no effect on whole-animal performance and it did not affect their survival.
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– Name: Language
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  Data: https://hal.science/hal-05362500<br />https://hal.science/hal-05362500v1/document<br />https://hal.science/hal-05362500v1/file/Pengam%20et%20al_Poster.pdf
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  Data: http://hal.archives-ouvertes.fr/licences/copyright/ ; info:eu-repo/semantics/OpenAccess
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  Label: Accession Number
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  Data: edsbas.8C99D5AF
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsbas&AN=edsbas.8C99D5AF
RecordInfo BibRecord:
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    Languages:
      – Text: English
    Subjects:
      – SubjectFull: Plouzané
        Type: general
      – SubjectFull: France
        Type: general
      – SubjectFull: Muscle biopsy
        Type: general
      – SubjectFull: Rainbow trout
        Type: general
      – SubjectFull: Hypoxia resistance
        Type: general
      – SubjectFull: Swimming performance
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      – SubjectFull: Morphological aftercare
        Type: general
      – SubjectFull: [SDV]Life Sciences [q-bio]
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