Know more

About cookies

What is a "cookie"?

A "cookie" is a piece of information, usually small and identified by a name, which may be sent to your browser by a website you are visiting. Your web browser will store it for a period of time, and send it back to the web server each time you log on again.

Different types of cookies are placed on the sites:

  • Cookies strictly necessary for the proper functioning of the site
  • Cookies deposited by third party sites to improve the interactivity of the site, to collect statistics

Learn more about cookies and how they work

The different types of cookies used on this site

Cookies strictly necessary for the site to function

These cookies allow the main services of the site to function optimally. You can technically block them using your browser settings but your experience on the site may be degraded.

Furthermore, you have the possibility of opposing the use of audience measurement tracers strictly necessary for the functioning and current administration of the website in the cookie management window accessible via the link located in the footer of the site.

Technical cookies

Name of the cookie

Purpose

Shelf life

CAS and PHP session cookies

Login credentials, session security

Session

Tarteaucitron

Saving your cookie consent choices

12 months

Audience measurement cookies (AT Internet)

Name of the cookie

Purpose

Shelf life

atid

Trace the visitor's route in order to establish visit statistics.

13 months

atuserid

Store the anonymous ID of the visitor who starts the first time he visits the site

13 months

atidvisitor

Identify the numbers (unique identifiers of a site) seen by the visitor and store the visitor's identifiers.

13 months

About the AT Internet audience measurement tool :

AT Internet's audience measurement tool Analytics is deployed on this site in order to obtain information on visitors' navigation and to improve its use.

The French data protection authority (CNIL) has granted an exemption to AT Internet's Web Analytics cookie. This tool is thus exempt from the collection of the Internet user's consent with regard to the deposit of analytics cookies. However, you can refuse the deposit of these cookies via the cookie management panel.

Good to know:

  • The data collected are not cross-checked with other processing operations
  • The deposited cookie is only used to produce anonymous statistics
  • The cookie does not allow the user's navigation on other sites to be tracked.

Third party cookies to improve the interactivity of the site

This site relies on certain services provided by third parties which allow :

  • to offer interactive content;
  • improve usability and facilitate the sharing of content on social networks;
  • view videos and animated presentations directly on our website;
  • protect form entries from robots;
  • monitor the performance of the site.

These third parties will collect and use your browsing data for their own purposes.

How to accept or reject cookies

When you start browsing an eZpublish site, the appearance of the "cookies" banner allows you to accept or refuse all the cookies we use. This banner will be displayed as long as you have not made a choice, even if you are browsing on another page of the site.

You can change your choices at any time by clicking on the "Cookie Management" link.

You can manage these cookies in your browser. Here are the procedures to follow: Firefox; Chrome; Explorer; Safari; Opera

For more information about the cookies we use, you can contact INRAE's Data Protection Officer by email at cil-dpo@inrae.fr or by post at :

INRAE

24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

Menu Logo Principal

INRA Experimental Fish Farm of the Monts d'Arrée

Strain selected for its ability to convert plant-based feed

Scientific leaders: M. Dupont-Nivet, E. Quillet (GABI- GenAqua), F. Médale (NuMeA)
Technical leaders: Jean-Michel Le Calvez, Thierry Kerneis, Lionel Goardon
Contact : Mathilde Dupont Nivet

Start date: December 2007      Planned duration: > 5 years

INRA research unit partners

Financial aid: FUI VegeAqua project, INRA-IFREMER thesis grant for Richard Le Boucher, GDR INRA-IFREMER

Access conditions: Strain available in the framework of scientific collaborations with the INRA research units GABI and LPGP on a case-by-case basis (material transfer agreement (MTA) regarding the use of animals and derived tissues or cells).

Objectives

In the context of substituting marine-based ingredients in aquaculture feed with plant-based ingredients, four research axes emerge:

  • genetics-feed interactions
  • selection of fish best converting plant-based feed
  • reproduction of animals fed completely with feed high in plant-based ingredients
  • mechanisms that influence the degree to which plant-based feeds are used.

Experimental design

In all experiments, the choice between two contrasting feeds was made: one marine-based feed and one completely plant-based feed (no fish oil or meal). The two feeds are distributed from the first feeding. The feeds are experimental feeds formulated and mixed by Numea. Analyses of body composition and fatty-acid profiles were also performed by Numea.

Experimental selection with the creation of an improved strain
The fish are fed from the first feeding with the entirely plant-based feed. The fish selected are those that adapt best to this diet. Size-based selection is performed 4 or 5 times until the fish reach 300-400 g. At the end, only 5% of the initial group of fish are kept.