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Bertrand Méda

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![](data:image/png;base64,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) ![](https://www.univ-tours.fr/medias/photo/umr-boa_1588672356867-png?ID_FICHE=340693) ![](https://www6.val-de-loire.inrae.fr/var/internet_val_de_loire_boa/storage/images/recherches/alimentation-et-systemes-d-elevage-alise/33552-10-fre-FR/Alimentation-et-Systemes-d-Elevage-AliSE_inra_image.png) ***English version?** Select EN in the menu bar above* **POSTE ACTUEL** (depuis 2011) INRAE Val de Loire UMR Biologie des Oiseaux et Aviculture ([BOA](https://www6.val-de-loire.inrae.fr/boa)) Equipe Alimentation & Systèmes d’élevage ([ALISé](https://www6.val-de-loire.inrae.fr/boa/Recherches/Alimentation-et-Systemes-d-Elevage-AliSE)) [bertrand.meda \[at\] inrae.fr](mailto:bertrand.meda@inrae.fr) +33 2 47 42 78 47 **ACTIVTIES DE RECHERCHE** Mes travaux de recherches portent principalement sur l’étude des conséquences de nouvelles stratégies alimentaires (baisse protéique chez le poulet, alimentation de précision) et/ou de l’utilisation de nouvelles matières premières (tourteaux d’oléo-protéagineux, insectes…) sur la durabilité des systèmes de productions avicoles, avec un intérêt tout particulier pour la question de l’autonomie protéique en France et en Europe. Je m’intéresse également au développement de l’alimentation de précision chez le poulet de chair et la poule pondeuse, en vue de la conception de stratégies alimentaires plus durables. Pour cela, je développe des approches de modélisation aux échelles de l’animal et du système d’élevage. J’utilise également des approches systémiques telle que l’Analyse du Cycle de Vie (ACV) pour évaluer les impacts environnementaux des systèmes de productions avicoles. Je participe également des essais nutritionnels *in vivo*. **FORMATION** **2008-2011** : **Doctorat** en Sciences de la Vie et Agronomie - Agrocampus Ouest, Rennes (France). **2004-2008** : **Ingénieur Agronome** spécialisé en Productions Animales - Agrocampus Ouest, Rennes (France). **EXPERIENCES DE RECHERCHE** **2008-2011: Thèse de doctorat :** *Une approche dynamique des flux d’éléments et d’énergie des ateliers de production avicole avec ou sans parcours : Conception et application du modèle MOLDAVI.* UMR Sol, Agro- et Hydrosystème, Spatialisation (UMR SAS), INRA Rennes, France. **2008: Mémoire de fin d’études d’ingénieur :** *Evaluation environnementale des systems de production porcine : Intérêt d’une approche combinant modélisation et Analyse du Cycle de Vie* UMR Systèmes d’Elevage, Nutrition Animale et Humaine (UMR SENAH), INRA Rennes, France. **LISTE DES PUBLICATIONS** (voir ci-dessous)
![](https://upload.wikimedia.org/wikipedia/fr/thumb/2/2a/Logo-INRAE_Transparent.svg/1024px-Logo-INRAE_Transparent.svg.png) ![](data:image/png;base64,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) ![](https://www.univ-tours.fr/medias/photo/umr-boa_1588672356867-png?ID_FICHE=340693) ![](https://www6.val-de-loire.inrae.fr/var/internet_val_de_loire_boa/storage/images/recherches/alimentation-et-systemes-d-elevage-alise/33552-10-fre-FR/Alimentation-et-Systemes-d-Elevage-AliSE_inra_image.png) ***Version française ?** Choisir FR dans la barre de menu ci-dessus* **CURRENT POSITION** (since 2011) INRAE Val de Loire UMR Biologie des Oiseaux et Aviculture ([BOA](https://www6.val-de-loire.inrae.fr/boa_eng/); *Avian* *Biology & Poultry Science*) Equipe Alimentation & Systèmes d’élevage ([ALISé](https://www6.val-de-loire.inrae.fr/boa_eng/Research/Feeding-and-Livestock-Systems-AliSE); *Feeding & Livestock Systems*) [bertrand.meda \[at\] inrae.fr](mailto:bertrand.meda@inrae.fr) +33 2 47 42 78 47 **RESEARCH ACTIVTIES** My current research activities focus on the consequences of new feeding strategies (*e.g.* crude protein reduction in broilers, precision feeding) and/or the use of new feedstuffs in diets (*e.g.* oilmeals, protein crops, insects…) on the sustainability of poultry production systems, with a special emphasis on protein self-sufficiency in France and Europe. I am also interested in applying the “precision feeding” concepts to poultry to design more sustainable feeding strategies, both in broilers and layers. To that purpose, I develop models both at animal and farm scales, and I use systemic approaches such as Life Cycle Assessment (LCA) to evaluate the sustainability of poultry production systems. I also conceive or take part in *in vivo* nutritional trials. **EDUCATION** **2008-2011**: **PhD** in Life and Agricultural Sciences - Agrocampus Ouest, Rennes (France). **2004-2008**: **Agricultural Engineering MSc** (“*ingénieur* *agronome*”) specialized in Animal Sciences - Agrocampus Ouest, Rennes (France). **RESEARCH EXPERIENCES** **2008-2011: PhD thesis:** *A dynamic approach of nutrients and energy flows in poultry rearing systems: Conception and application of the model MOLDAVI.* Joint Research Unit Soil, Agro- and hydro-systems, Spatialization (UMR SAS), INRA Rennes, France. **2008: Master 2 thesis:** *Environmental assessment of pig production systems – Interest of an approach combining modelling and Life Cycle Analysis.* Joint Research Unit, Livestock systems, Animal and Human nutrition (UMR SENAH), INRA Rennes, France. **LIST OF PUBLICATIONS** (see below)

Publications

agnes-narcy
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Nutrition and environmental sustainability

Jean-Yves Dourmad , Florence Garcia-Launay , Bertrand Méda , Michel Lessire , Agnès Narcy
Poultry and pig nutrition, Wageningen Academic Publishers, 2019, 978-90-8686-333-4
Chapitre d'ouvrage hal-02263860v1

Modélisation de l’utilisation digestive du calcium et du phosphore chez la poule pondeuse

F. Hervo , Bertrand Méda , Agnès Narcy , M.-P Létourneau-Montminy
15. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2024, Tours, France. pp.296-290
Communication dans un congrès hal-04516518v1

Un nouveau système d’unité phosphore pour le poulet de chair

Agnès Narcy , Reis Matheus , Vahid Khaksar , Bertrand Méda , M.-P Létourneau-Montminy
15. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2024, Tours, France. pp.296-300
Communication dans un congrès hal-04516590v1

Etude de la cinétique d’utilisation digestive du phosphore et du calcium chez la poule pondeuse

F. Hervo , Bertrand Méda , Marie-Pierre Létourneau Montminy , Agnès Narcy
15. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2024, Tours, France. pp.281-285
Communication dans un congrès hal-04516603v1

OCalM : Un modèle pour étudier l’effet de stratégies alimentaires sur les flux de minéraux chez la poule pondeuse

Yann Guyot , Eva Pampouille , Thierry Burlot , Michel J Duclos , Celine Guerini
15èmes Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2024, Tours, France. pp.291-295
Communication dans un congrès hal-04516506v1

A new phosphorus feeding system for the sustainability of swine and poultry production

M.-P Létourneau-Montminy , Marion Lautrou , Reis Matheus , Catherine Couture , Nilva Kazue Sakomura
74. EAAP Annual Meeting, Aug 2024, Lyon, France. pp.962
Communication dans un congrès hal-04516489v1

Coarse limestone particles limit the formation of Ca-phytate complexes in laying hens

F. Hervo , Marie-Pierre Létourneau Montminy , Bertrand Méda , Michel Jacques M.J. Duclos , Agnès Narcy
74. Annual Meeting of the European Federation of Animal Science, EAAP, Aug 2023, Lyon, France
Communication dans un congrès hal-04331993v1

Modelling the digestive utilization of calcium and phosphorus in laying hens

F. Hervo , Bertrand Méda , Agnès Narcy , Marie-Pierre Létourneau Montminy
74. Annual Meeting of the European Federation of Animal Science, INRAE, Aug 2023, Lyon, France. pp.324
Communication dans un congrès hal-04199183v1

From measuring average body weight of the flock to precision feeding in broilers: A modelling approach to adjust daily feed composition

Bertrand Méda , Eva Pampouille , Marie Talineau , Léonie Dusart , Agnès Narcy
26. World's Poultry Congress, Aug 2022, Paris, France. pp.129
Communication dans un congrès hal-03752618v1

Vers une alimentation de précision chez le poulet de chair : Modélisation des besoins en énergie, lysine et phosphore à partir des performances de croissance

Bertrand Méda , Marie Talineau , Candy Cheret , Agnès Narcy , Léonie Dusart
13. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2019, Tours, France
Communication dans un congrès hal-02737268v1

Modélisation de l’utilisation du phosphore alimentaire chez le poulet de chair

Catherine Couture , Bertrand Méda , Agnès Narcy , Marie-Pierre Létourneau-Montminy
13. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2019, Tours, France
Communication dans un congrès hal-02265522v1
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Improving environmental sustainability of poultry production using innovative feeding strategies

Bertrand Méda , Pauline Belloir , Agnès Narcy , Aurélie Wilfart
22nd European Symposium on Poultry Nutrition, Jun 2019, Gdańsk, Poland
Communication dans un congrès hal-02265512v1

Modelling dietary phoshorus utilisation by broilers

Bertrand Méda , Catherine Couture , Agnès Narcy , Marie-Pierre Létourneau-Montminy
22nd European Symposium on Poultry Nutrition, Jun 2019, Gdańsk, Poland
Communication dans un congrès hal-02265523v1

Updating the available phosphorus requirements of broilers

Vahid Khaksarzareha , Bertrand Méda , Agnès Narcy
21th European symposium on poultry nutrition, May 2017, Salou/Vila-seca, Spain
Communication dans un congrès hal-01602606v1
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Digestion and genetics in broilers

Sandrine Grasteau , Agnès Narcy , Cécile Arnould , Aline Bertin , Marie Yvonne Boscher
Towards the chicken of the future, Royal Veterinary College - University of London. GBR., Apr 2014, Londres, United Kingdom
Communication dans un congrès hal-01193902v1
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Sélection de l'efficacité digestive et influence sur la durabilité de la filière avicole

Sandrine Grasteau , Agnès Narcy , Bertrand Méda , Michel Lessire , Nabeel Al Nahhas
Journée Nationale Volailles de Qualité Label et Bio, Mar 2014, Paris, France
Communication dans un congrès hal-01209207v1
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Selection for feed efficiency as a tool to improve sustainability of poultry production

Sandrine Grasteau , Agnès Narcy , Bertrand Méda , Michel Lessire , Nabeel Alnahhas
102. Annual Meeting of the Poultry Science Association, Jul 2013, San Diego, United States. 28 diapositives
Communication dans un congrès hal-01209208v1

Flux de minéraux chez les poules pondeuses et les reproductrices lourdes selon trois stratégies d’apport du carbonate de calcium

Bertrand Méda , Mélanie Mireaux , Bruno Chevé , Michel J Duclos , Eric Gambier
15. Journées de la Recherche Avicole et Palmipèdes à Foie Gras, Mar 2024, Tours, France. pp.727-731
Poster de conférence hal-04516740v1

Effect of phytase and limestone particle size on performance, eggshell quality, bone mineralization and mineral digestibility in laying hens

F. Hervo , Marie-Pierre Létourneau Montminy , Bertrand Méda , Michel Jacques M.J. Duclos , Agnès Narcy
23. European Symposium on Poultry Nutrition, Jun 2023, Rimini, Italy. pp.313
Poster de conférence hal-04349937v1

Mechanistic model of metabolic use of dietary phosphorus and calcium and dynamics of body ash deposition in growing broilers

Bertrand Méda , Catherine Couture , Agnès Narcy , Marie-Pierre Letourneau-Montminy
9th Workshop on Modelling Nutrient Digestion and Utilization in Farm Animals, Sep 2019, Ubatuba, Brazil. , Advances in Animal Biosciences, 10 (2), pp.334, 2019, Proceedings of the 9th Workshop on Modelling Nutrient Digestion and Utilization in Farm Animals (MODNUT)
Poster de conférence hal-02917677v1

Effects of genetic by nutrition interaction on poultry production sustainability

Sandrine Grasteau , Agnès Narcy , Bertrand Méda , Michel Lessire , Nabeel Alnahhas
8. European Symposium on Poultry Genetics (ESPG), Sep 2013, Venise, Italy. 2013, Proceedings of the 8th European Symposium on Poultry Genetics
Poster de conférence hal-01209154v1