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1. Halving food-related greenhouse gas emissions can be achieved by redistributing meat consumption: progressive optimization Results of the NutriNet-Santé cohort

Author

Julia Baudry, Denis Lairon, Alison Dussiot, Philippe Pointereau, Brigitte Langevin, Benjamin Allès, Pauline Rebouillat, Emmanuelle Kesse-Guyot, Mathilde Touvier, Joséphine Brunin, Serge Hercberg, François Mariotti, Hélène Fouillet, Equipe 3: EREN- Equipe de Recherche en Epidémiologie Nutritionnelle (CRESS - U1153), Université Sorbonne Paris Nord-Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité (CRESS (U1153 / UMR_A_1125 / UMR_S_1153)), Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Physiologie de la Nutrition et du Comportement Alimentaire (PNCA (UMR 0914)), AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), SOLAGRO, Solagro, Agence de l'Environnement et de la Maîtrise de l'Energie (ADEME), Centre recherche en CardioVasculaire et Nutrition = Center for CardioVascular and Nutrition research (C2VN), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Conservatoire National des Arts et Métiers [CNAM] (CNAM), HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Conservatoire National des Arts et Métiers [CNAM] (CNAM), HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Association Solagro (Solagro), The NutriNet-Sante study is funded by FrenchMinistry of Health and Social Affairs, Sante Publique France, Institut National de la Sante et de la Recherche Medicale, Institut National de la Recherche Agronomique, Conservatoire National des Arts et Metiers, and Sorbonne Paris Nord University. The BioNutriNet project was supported by the French National Research Agency (Agence Nationale de la Recherche) in the context of the 2013 Programme de Recherche Systemes Alimentaires Durables (ANR-13-ALID-0001). The funders had no role in the study design, data collection, analysis, interpretation of data, preparation of the manuscript, and decision to submit the paper., ANR-13-ALID-0001,BioNutriNet,Consommation d'aliments issus de l'agriculture biologique: déterminants et motivation vis-à-vis de la durabilité, impact nutritionnel, économique, environnemental et toxicologique(2013), Kesse-guyot, Emmanuelle, and Systèmes Alimentaires Durables - Consommation d'aliments issus de l'agriculture biologique: déterminants et motivation vis-à-vis de la durabilité, impact nutritionnel, économique, environnemental et toxicologique - - BioNutriNet2013 - ANR-13-ALID-0001 - ALID - VALID

Subjects
Adult, Male, Meat, Environmental Engineering, 010504 meteorology & atmospheric sciences, Animal food, 010501 environmental sciences, 01 natural sciences, Food Supply, Nutrition Policy, Greenhouse Gases, Nutrient, Animal science, Ruminant, Animals, Humans, Environmental Chemistry, Waste Management and Disposal, Aged, 0105 earth and related environmental sciences, 2. Zero hunger, Consumption (economics), [SDV.EE]Life Sciences [q-bio]/Ecology, environment, biology, business.industry, Intensive farming, greenhouse gas emissions, Middle Aged, biology.organism_classification, co-product tradeoffs, Pollution, Diet, [SDV.AEN] Life Sciences [q-bio]/Food and Nutrition, [SDV.EE] Life Sciences [q-bio]/Ecology, environment, diet sustainability, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, 13. Climate action, Greenhouse gas, Cohort, Food processing, Environmental science, Female, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, optimization modelling, Energy Intake, business, [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition
Abstract

Background Diet-related greenhouse gas emissions (GHGe) mainly comes from animal-sourced foods. As progressive changes are more acceptable for a sustainable food transition, we aimed to identify nutritionally adequate and culturally acceptable optimized diets ensuring a gradual reduction in GHGe, using observed diet from a large sample of French adults, while considering the mode of food production (organic vs conventional farming) and the co-production link between milk and beef. Material and method Based on the consumption of 257 organic and conventional foods among 29,413 participants (75% women, age: 53.5 ± 14.0y) of the NutriNet-Sante study, we modelled optimal diets according to GHGe reduction scenarios in 5% steps, from 0 to 50% with nutritional, acceptability, and coproduct constraints, for men, premenopausal and menopausal women separately. Results Gradual GHGe decrease under these constraints led to optimal diets with an overall decrease in animal foods, with marked reductions in dairy products (up to −83%), together with a stable but largely redistributed meat consumption in favor of poultry (up to +182%) and pork (up to +46%) and at the expense of ruminant meat (down to −92%). Amounts of legumes increases dramatically (up to +238%). The greater the reduction in diet-related GHGe, the lower the cumulative energy demand (about −25%) and land use (about −43%). The proportion of organic food increased from ~30% in the observed diets to ~70% in the optimized diets. Conclusion Our results suggest that meeting both nutrient reference value and environmental objectives of up to 50% GHGe reduction requires the reduction of animal foods together with important substitutions between animal food groups, which result in drastic reductions in beef and dairy products. Further research is required to explore alignment with long-term health value and conflict with acceptability, in particular for even greater GHGe reductions.

Published
2021

2. Availability of essential amino acids, nutrient utilisation and growth in juvenile black tiger shrimp, Penaeus monodon, following fishmeal replacement by plant protein

Author

Sadasivam Kaushik, Vincent Rigolet, Anne Surget, Inge Geurden, Lenaïg Richard, Nutrition, Métabolisme, Aquaculture (NUMEA), Institut National de la Recherche Agronomique (INRA), Aqualma, UNIMA, and The authors acknowledge Frederic Terrier and Peyo Aguirre for their help during diet manufacturing and to Marie Jo Borthaire and Vincent Michel for assistance with the laboratory analyses. Special thanks are due to Christian Ramamonjisoa (Aqualma facility) for his technical assistance. L. R., S. K. and I. G designed the study. L. R. did the data analysis. L. R., S. K. and I. G contributed to the drafting of the paper. A. S. did the AA analyses. L. R. and V. R. contributed to the organisation of the experiment in Madagascar. There are no contractual agreements for the presented data which might cause conflicts of interest. The authors acknowledge UNIMA and institutional funds from INRA for funding this study and ANRT (France) for the scholarship to L.R. (CIFRE PhD Research Grant).

Subjects
Aquatic Science, Penaeus monodon, 03 medical and health sciences, Nutrient, Fish meal, Animal science, plant protein, farine de poisson, Dry matter, 030304 developmental biology, 2. Zero hunger, 0303 health sciences, Meal, biology, fishmeal, fungi, 04 agricultural and veterinary sciences, biology.organism_classification, Shrimp, Biochemistry, Plant protein, digestibility, fisheries, [SDV.SA.STP]Life Sciences [q-bio]/Agricultural sciences/Sciences and technics of fishery, 040102 fisheries, 0401 agriculture, forestry, and fisheries, Corn gluten meal, shrimp, marine and freshwater biology, amino acid, penaeus monodon
Abstract

International audience; Two trials with juvenile black tiger shrimp (Penaeus monodon) were undertaken to study the effects of replacing fishmeal by different levels of plant proteins on growth performances and nutrient utilisation of shrimp in semi-intensive conditions (Expt. 1) and on the availability of dietary nitrogen (N) and amino acids (Expt. 2). Five isoproteic diets (on crude protein basis) were formulated to contain 34, 24, 16, 8, or 0% fishmeal, with fishmeal being replaced by a mixture of plant protein (corn gluten meal, wheat gluten, and rapeseed meal). In Expt. 1, the shrimp (initial body weight, IBW 1.5 ± 0.1 g) were reared in earthen ponds for 144 days and fed one of the experimental diets. Apparent digestibility of nutrients and AA were assessed in Expt. 2, using 150 L tanks and shrimp of 12.8 ± 0.4 g IBW. After 144 days in grow-out ponds, shrimp fed the diet with 24% of fishmeal had similar growth as those fed the control diet containing 34% fishmeal (0% replacement). When 50% or more of the fishmeal were replaced, weight gain as well as N and energy gains significantly decreased. Digestibility of dry matter, protein and energy was also significantly lower in all fishmeal-replaced diets. In particular, leucine digestibility decreased by 26% at 100% replacement, which was significantly correlated to an increased incorporation of corn gluten meal. Our data confirm the need to improve our knowledge on AA availability and raw material quality in order to improve fishmeal replacement in P. monodon diets.

Published
2011