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Terre’Eau

Vet’eau practice, specializing in aquaculture, collaborates with you through Terre’Eau - a comprehensive solution for repurposing your by-products.

Terre’Eau supports fish farmers

Vet’eau practice, specializing in aquaculture, collaborates with you through Terre’Eau - a comprehensive solution for repurposing your by-products.


In 2023, aquaculture became the fastest-growing primary production sector, surpassing 50% of global fish captures by volume. However, this rapid growth presents challenges for sustainable practices, particularly in managing daily mortalities (C2) and co-products from processing facilities (C3). The lack of valorisation channels and strict regulations make handling these bio-wastes more and more complex. In response to these challenges, Terre’Eau, led by Léna Le Breton, provides an innovative solution: assistance in establishing an on-farm composter, offering an alternative, profitable, and eco-friendly method to repurpose these by-products.

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What is Terre'eau?

We are building a new way to manage your by-products together.

Terre’Eau is a service that enables you to use your by-products from your livestock farming and processing workshop through composting. Since 2018, obtaining a sanitary approval has been mandatory for setting up a compost on fish farms. This approval requires a comprehensive dossier detailing the structure, activities, and a sanitary control plan. Léna Le Breton can support you throughout the implementation process, including: Feasibility assessment, Solution development and Sanitary approval documentation.

You are:A marine hatcheryA growing fish farmingA fish farmA fishpondAn aquaponics farmAn ornamental fish farm

The solution Terre’Eau has been created for you!

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The advantages of Terre’Eau’s solution Terre’eau:

  • Eliminate your rendering costs.
  • Turn your by-products into compost.
  • Enjoy fully autonomous management.
  • Join the circular economy of your region.

What Are the Steps of the Process?

At each stage of the process, Terre’Eau remains by your side to ensure the implementation and follow-up of the solution:

Feasibility Diagnosis

Since every site is unique, the feasibility diagnosis allows us to assess your production and work environment (land constraints, location within a Natura 2000 zone, staff presence, etc.) to determine the suitability of installing the Terre’Eau solution.

• A diagnostic form will be sent to you for completion.
• Our discussions will help gather additional information.
• A half-day on-site visit will be scheduled.
• Evaluation of by-product tonnage and rendering costs over a year.
• Cost estimation for the solution, necessary modifications, and required equipment.
• Contacting your local DDCSPP* for feasibility assessment

*DDCSPP: Departmental Directorate for Social Cohesion and Population Protection.

• Delivery of your personalized feasibility report.

Development of the solution

Terre’Eau solution is tailored to each site, with its development considering:

• The sizing of the composter.
• The selection of the location.
• A consultation to choose the person responsible for the composting platform.
• The composting of animal by-products, which requires the use of a substrate. An assessment of the available quantity on-site is conducted.
• The choice of the composter.
• Support for the implementation of the composter.
• Drafting and delivery of your composting best practices guide.
• Connecting with partners.

Sanitary agreement

Terre’Eau takes care of drafting and validating the approval with the authorized sanitary service of your department:

  • Drafting the sanitary approval application.
  • Communication with the DDCSPP of your department.
  • Training on:
    • Why obtain sanitary approval for composting by-products?
    • Your sanitary control plan built on a hazard analysis and critical control point system (HACCP: Hazard Analysis Critical Control Point).
  • Management of on-site inspections by the DDCSPP of your department.
  • Obtaining sanitary approval.

Sampling and yearly follow-up

An annual health inspection is mandatory. It ensures the proper execution of the process.

• Sampling of your compost and sending it to an approved laboratory are required and at your expense.
• On-site visit: process review, compost observation, log book inspection, discussions, etc.
• A report will be drafted and sent to the DDCSPP.
• Léna Le Breton will support you and be available for any questions.

Material investments and commitments?

Which material to use?

We will assess the equipment you have and determine the additional equipment you will need (compost turner, compost thermometer, wheelbarrow, shovel, etc.).

Which composter?

Two solutions are available for designing your composter:

  • We provide you with the plans, and you build your composter yourself.
  • We connect you with a local partner for a seamless, ready-to-use solution.

Your commitments

The implementation of the Terre’Eau solution is a team effort. It requires your commitment to the following points:

  • Une A partnership agreement is signed.
  • Legislation requires that the member of your team responsible for the composter be trained as a"Site Referent"according to ADEME-approved training programs.We will connect you with partners near you. This training lasts half a day and is certified.
  • We invite you to share your data (temperature increase, observations, etc.) with us so that we can support you in the best possible way.

Use of the compost

Compost should always return to the soil! Here are several possibilities:

  • Use your compost internally.
  • Connect with a farmer who can use the compost on their land according to their planning.
  • Contact your municipality, which may use the compost for flower beds.
  • Standardize your compost as a soil amendment according to the NFU 44-051 standard to commercialize it. This option depends on the amount of biowaste you produce (enough compost so that sales > cost of analysis) and the time you dedicate (bulk or bagged sales).

Pricing:

They trusted us! Thank you

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For several years now, I have been wondering about the future of my by-products from the processing workshop and their potential recovery. I wanted, as I did for my fish production using the aquaponics technique, to limit my waste. Moreover, I also wanted to find a solution to integrate it into the overall operation of my farm. We spoke with Léna, who presented me her work on composting, and I was immediately won over by this natural and easy-to-implement technique. Terre’Eau’s firm therefore supported me in understanding the regulations on this type of process, and sized a composting platform adapted to my production volume. It also took care of all the administrative and regulatory procedures (drafting files, developing, and validating procedures with the administration, setting up a waste tracking notebook, etc.). For my part, I followed a training course on composting with an approved organization in order to comply with the regulations in force. Since January 2023, I have been recycling all my animal by-products through composting. This practice only takes a little time and is quite easy to set up, but it is essential to follow the technical protocol carefully and to carry out precise and regular monitoring. This solution is perfectly suited to my structure, and in addition to the savings made on rendering costs, this practice is fully in line with the overall management of my farm and is in line with the philosophy developed at the FADA.
La Ferme Aquaponique de L’Abbaye
Guillaume SCHLUR
For several years now, I have been wondering about the future of my by-products from the processing workshop and their potential recovery. I wanted, as I did for my fish production using the aquaponics technique, to limit my waste. Moreover, I also wanted to find a solution to integrate it into the overall operation of my farm. We spoke with Léna, who presented me her work on composting, and I was immediately won over by this natural and easy-to-implement technique. Terre’Eau’s firm therefore supported me in understanding the regulations on this type of process, and sized a composting platform adapted to my production volume. It also took care of all the administrative and regulatory procedures (drafting files, developing, and validating procedures with the administration, setting up a waste tracking notebook, etc.). For my part, I followed a training course on composting with an approved organization in order to comply with the regulations in force. Since January 2023, I have been recycling all my animal by-products through composting. This practice only takes a little time and is quite easy to set up, but it is essential to follow the technical protocol carefully and to carry out precise and regular monitoring. This solution is perfectly suited to my structure, and in addition to the savings made on rendering costs, this practice is fully in line with the overall management of my farm and is in line with the philosophy developed at the FADA.
La Ferme Aquaponique de L’Abbaye
Guillaume SCHLUR
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