Section: Ecology
Topic: Ecology, Population biology

Field assessment of precocious maturation in salmon parr using ultrasound imaging

Nevoux, Marie1, 2, 3  ; Marchand, Frédéric4, 2, 3; Forget, Guillaume1, 2, 3; Huteau, Dominique1, 2, 3; Tremblay, Julien4, 2, 3; Destouches, Jean-Pierre4, 2, 3
1 DECOD (Ecosystem Dynamics and Sustainability), INRAE, Institut Agro, IFREMER, Rennes, France
2 MIAME Management of Diadromous Fish in their Environment, OFB, INRAE, Institute Agro, E2S UPPA, Rennes, France
3 Management of Diadromous Fish in their Environment, OFB, INRAE, INSTITUT AGRO, UNIV PAU & PAYS ADOUR/E2S UPPA , Rennes, France
4 INRAE, Ecologie et Ecotoxicologie Aquatique, 65 rue de Saint-Brieuc, Rennes, France

Corresponding author(s): Nevoux, Marie (marie.nevoux@inrae.fr)

10.24072/pcjournal.58 - Peer Community Journal, Volume 1 (2021), article no. e62.

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Salmonids are characterized by a large diversity of life histories, but their study is often limited by the imperfect observation of the true state of an individual in the wild. Challenged by the need to reduce uncertainty of empirical data, recent development in medical imaging techniques offered new opportunities to assess precocious maturation in Atlantic salmon parr. Traditional phenotypic (external) examination and ultrasound (internal) examination were compared and recommendations on fish handling and ultrasound image interpretation are provided. By allowing to see the unseen, portable ultrasound imaging offers great opportunities for ecological studies in the wild, such as the assessment of individual sexual maturation.
Published online:
DOI: 10.24072/pcjournal.58
Type: Research article

Nevoux, Marie 1, 2, 3; Marchand, Frédéric 4, 2, 3; Forget, Guillaume 1, 2, 3; Huteau, Dominique 1, 2, 3; Tremblay, Julien 4, 2, 3; Destouches, Jean-Pierre 4, 2, 3

1 DECOD (Ecosystem Dynamics and Sustainability), INRAE, Institut Agro, IFREMER, Rennes, France
2 MIAME Management of Diadromous Fish in their Environment, OFB, INRAE, Institute Agro, E2S UPPA, Rennes, France
3 Management of Diadromous Fish in their Environment, OFB, INRAE, INSTITUT AGRO, UNIV PAU & PAYS ADOUR/E2S UPPA , Rennes, France
4 INRAE, Ecologie et Ecotoxicologie Aquatique, 65 rue de Saint-Brieuc, Rennes, France
License: CC-BY 4.0
Copyrights: The authors retain unrestricted copyrights and publishing rights 
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     title = {Field assessment of precocious maturation in salmon parr using ultrasound imaging},
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Nevoux, Marie; Marchand, Frédéric; Forget, Guillaume; Huteau, Dominique; Tremblay, Julien; Destouches, Jean-Pierre. Field assessment of precocious maturation in salmon parr using ultrasound imaging. Peer Community Journal, Volume 1 (2021), article  no. e62. doi : 10.24072/pcjournal.58. https://peercommunityjournal.org/articles/10.24072/pcjournal.58/

PCI peer reviews and recommendation, and links to data, scripts, code and supplementary information: 10.24072/pci.ecology.100021

Conflict of interest of the recommender and peer reviewers:
The recommender in charge of the evaluation of the article and the reviewers declared that they have no conflict of interest (as defined in the code of conduct of PCI) with the authors or with the content of the article.

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