Animal feed as a lever to reduce methane emissions: a micro-econometric approach applied to French dairy farms

L'alimentation animale comme levier de réduction des émissions de méthane: une approche micro-économétrique appliquée aux exploitations laitières françaises

Elodie Letort () and Pierre Dupraz ()
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Elodie Letort: SMART - Structures et Marché Agricoles, Ressources et Territoires - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Rennes Angers - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement
Pierre Dupraz: SMART - Structures et Marché Agricoles, Ressources et Territoires - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Rennes Angers - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement

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Abstract: The objective of this study is to simulate a payment for environmental services scheme to reduce enteric methane emissions per litre of milk by incentivizing farmers to modify the diet of dairy cows. We estimated a milk yield function by distinguishing between types of fodder and concentrate feeds. Methane emissions were calculated from the technical relationship between different feed sources and milk productivity. The heterogeneity of the production conditions faced by the farmers was identified from a mixture model estimated by the EM algorithm. The results show that, with the introduction of the payment for environmental services, farmers reduce their methane emissions per litre of milk the more their production conditions, as reflected by the quality of their forage, are good.

Keywords: Dairy farms; Production technology; Heterogeneity; Payment for environmental services scheme; Exploitations laitières; Technologie de production; Hétérogénéité; Système de paiement pour services environnementaux (search for similar items in EconPapers)
Date: 2023-11-22
Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-04299598v1
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