Measuring emissions from livestock farming. Greenhouse gases, ammonia and nitrogen oxides
Résumé
Air pollutant and greenhouse gas emissions have recently become an environmental concern for livestock farmers. In France, livestock farming plays a major contribution to air pollutant emissions, amounting to over 70% of national ammonia (NH3) emissions and 75% of methane (CH4) emissions. Currently, the measurement of emissions from livestock is still not very widespread, limiting the number of references available for national livestock production that can be used to guide farmers on how to modify their production systems to reduce emissions. This review was drawn up by the ADEME and the RMT 'Livestock and Environment' to set out the main measurement methods used to quantify greenhouse gas, ammonia and nitrous oxide (dinitrogen monoxide) emissions from livestock production systems. The main aim is to provide the information required to help potential users determine which quantification methods are most suitable for their requirements and how much the equipment is likely to cost.