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Estimation of body weight of European sea bass (Dicentrarchus labrax) and Nile tilapia (Oreochromis niloticus) larvae by image analysis

De Verdal Hugues, Vandeputte Marc, Pepey Elodie, Vidal Marie-Odile, Ouedraogo Christian, Canonne Marc, D'Cotta Helena, Baroiller Jean-François, Baras Etienne, Chatain Béatrice. 2014. Estimation of body weight of European sea bass (Dicentrarchus labrax) and Nile tilapia (Oreochromis niloticus) larvae by image analysis. In : Proceedings, 10th World Congress of Genetics Applied to Livestock Production (WCGALP), 17-22 August 2014, Vancouver, Canada. s.l. : s.n., 3 p. World Congress of Genetics Applied to Livestock Production. 10, Vancouver, Canada.

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Abstract : The present study aimed to develop nondestructive methods to accurately follow the growth of fish larvae and post-larvae. European sea bass (Dicentrarchus labrax) aged 71-100 days post fertilization (dpf; 20-419 mg) and Nile tilapia (Oreochromis niloticus) aged 14 dpf (10-25 mg) were used as model species. Several measurements were performed on digital pictures of larvae to model body weight. Using body surface area, contour, length and depth, it was possible to estimate accurately the body weight of young European sea bass and Nile tilapia (r2 of 0.98 and 0.95, respectively). (Résumé d'auteur)

Classification Agris : M12 - Aquaculture production
L52 - Animal physiology - Growth and development
U30 - Research methods

Auteurs et affiliations

  • De Verdal Hugues, CIRAD-PERSYST-UMR INTREPID (MYS) ORCID: 0000-0002-1923-8575
  • Vandeputte Marc, INRA (FRA)
  • Pepey Elodie, CIRAD-PERSYST-UMR INTREPID (FRA)
  • Vidal Marie-Odile, IFREMER (FRA)
  • Ouedraogo Christian, CIRAD-PERSYST (FRA)
  • Canonne Marc, CIRAD-PERSYST-UMR INTREPID (FRA)
  • D'Cotta Helena, CIRAD-PERSYST-UMR INTREPID (FRA)
  • Baroiller Jean-François, CIRAD-PERSYST-UMR INTREPID (FRA) ORCID: 0000-0002-0992-1725
  • Baras Etienne, IRD (FRA)
  • Chatain Béatrice, IFREMER (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/574275/)

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