How do NH3 emissions relate to nitrogen use efficiency of livestock production?

Groenestein, C. M.; Hutchings, N.; Haenel, H. D.; Amon, B.; Menzi, H.; Mikkelsen, M. H.; Misselbrook, T.H.; van Bruggen, C.; Kupper, Thomas; Webb, J. (2016). How do NH3 emissions relate to nitrogen use efficiency of livestock production? In: Solutions to improve nitrogen use efficiency for the world : 7th International Nitrogen Initiative Conference (INI2016). Melbourne, Australia. 4.-8. Dezember 2016.

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Ammonia (NH3) emissions from livestock production systems can be substantial but difficult to measure. Here we explore the relationship between NH3 emissions, the emission intensity (NH3-N emitted/product N) and the more easily measured feed Nitrogen Use Efficiency (NUE). Using a conceptual model, we find that the relationship between emission intensity and NUE is equivalent to that between NH3-N emission and feed N intake. Furthermore, there is a linear relationship between the two, with a slope that is dependent on characteristics of the animal and its feed, and the manure management system. This is illustrated using data taken from the emission inventories of six European countries, which found a linear relationship, with much variation within a commodity type. Using the same data, we show how the effects of animal and feed characteristics can be separated from those of the manure management system.

Item Type:	Conference or Workshop Item (Paper)
Division/Institute:	School of Agricultural, Forest and Food Sciences HAFL > Resource-efficient agricultural production systems School of Agricultural, Forest and Food Sciences HAFL > Agriculture
Name:	Groenestein, C. M.; Hutchings, N.; Haenel, H. D.; Amon, B.; Menzi, H.; Mikkelsen, M. H.; Misselbrook, T.H.; van Bruggen, C.; Kupper, Thomas0000-0001-9459-1910 and Webb, J.
Subjects:	S Agriculture > SF Animal culture T Technology > T Technology (General)
Language:	English
Submitter:	Service Account
Date Deposited:	10 Mar 2020 16:03
Last Modified:	18 Dec 2020 13:28
Uncontrolled Keywords:	Nitrogen Use Efficiency, ammonia, livestock
ARBOR DOI:	10.24451/arbor.7424
URI:	https://arbor.bfh.ch/id/eprint/7424