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Les flux d'azote en élevage de ruminants

Abstract : Livestock transforms nitrogen from plants into animal products and releases a part of nitrogen in manure which can be recycled as fertilizer. Animal farming development has led to a concentration of production in some regions and consequently a concentration of nitrogen inputs and emissions, causing pollution in water, soil and air. This issue has been dealt with by European policies for 20 years. Nevertheless, what do we know about nitrogen flow dynamics in livestock farming? What are the options and the appropriate scale to reduce nitrogen emissions and impact on the environment without hampering competitiveness of animal productions? In 2010, these issues motivated French Ministries in charge of Agriculture and Ecology to request a collective scientific expert assessment from INRA, on nitrogen flow in livestock farming systems. This paper focuses on the main results concerning ruminant livestok farming
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https://hal.inrae.fr/hal-02603412
Contributor : Migration Irstea Publications <>
Submitted on : Saturday, May 16, 2020 - 8:37:55 AM
Last modification on : Wednesday, June 23, 2021 - 10:56:03 AM

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  • HAL Id : hal-02603412, version 1
  • IRSTEA : PUB00048152

Citation

J.L. Peyraud, P. Cellier, Catherine Donnars, F. Aarts, Fabrice Béline, et al.. Les flux d'azote en élevage de ruminants. 19èmes Rencontres Recherches Ruminants (3R), Dec 2012, Paris, France. pp.41-48. ⟨hal-02603412⟩

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