[Importance of climate-active trace gases from animal husbandry]

air pollution ammonia ammoniac azote bovin carbon dioxide carbon monoxide cattle changement climatique climatic change dioxyde d'azote dioxyde de carbone dioxyde de soufre fertilisation fertilizer application ganado bovino gases gaz lisier metano methane nitrogen nitrogen dioxide nitrogen oxides oxyde d'azote oxyde de carbone pollution by agriculture pollution par l'agriculture slurry sulphur dioxide