Introduction 11; Part 1: General topics 17; 1. Livestock production and emissions of volatile gases 19; A.A. Jongebreur, G.J. Monteny and N.W.M. Ogink; 2. Greenhouse gas emissions from agriculture in Europe 35; A. Leip; 3. The assessment of emissions of nitrogen species from agriculture using the methodology of the Atmospheric Emission Inventory Guidebook 51; U. Dammgen and N.J. Hutchings; 4. Particulate matter emissions as a part of air pollution control in agriculture: Definitions, sources, measurements 63; T. Hinz; 5. Livestock husbandry systems in Europe: Evaluation of the 2003 UNECE ammonia expert group questionnaire 71; Z. Klimont, J. Webb and U. Dammgen; 6. Emission, transmission, deposition and environmental effects of ammonia from agricultural sources 97; U. Dammgen and J.W. Erisman; 7. Ammonia emission inventories, uncertainty and sensitivity analyses 113; J. Webb, T.H. Misselbrook and M.A. Sutton; 8. DYNAMO: An empirical model for the calculation of ammonia emissions of farms and regions 125; B. Reidy, L. Ruettimann and H. Menzi; 9. Methods to measure ammonia emissions from agriculture: Basic principles and limitation in practical use 129; T. Hinz; 10. CFD methods to predict close range spreading of ventilation air from livestock buildings 137; B. Bjerg, P. Ka, S. Morsing and H. Takai; Part 2: Emissions inventories from agriculture 145; 11. Emission inventory for the agricultural sector in Austria: state of the art and future developments 147; B. Amon, M. Frohlich, K. Hopfner-Sixt and T. Amon; 12. Norwegian ammonia emissions - present state and perspective 181; R. Linjordet, J. Morken and A. Boen; 13. The German agricultural emission inventory 193; U. Dammgen, M. Luttich, H. Dohler, B. Eurich-Menden, B. Osterburg and U. Doring. 14. Ammonia emissions from Irish agriculture 205; C. O Bric; 15. New national inventory of ammonia emissions in the Czech Republic and experiences with application of environmental law on air protection 209; M. Budnakova; 16. Finnish ammonia emissions from agriculture 213; J. Mikkola; 17. Ammonia emissions in Poland: Inventory, projections, uncertainties 217; T. Kuczynski, U. Dammgen, Z. Klimont, K. Kreis-Tomczak, A. Myczko and O. Slobodzian-Ksenicz; 18. Projections of agricultural emissions of ammonia in the European Union 231; Z. Klimont; Part 3: Abatement potentials, measures and cost 251; 19. Calculating abatement costs 253; M. Ryan; 20. Ammonia emission inventory and emission abatement potential assessment for Switzerland 263; H. Menzi and B. Reidy; 21. Costs of ammonia abatement techniques in Italian intensive livestock farming 271; G. Bonazzi, C. Fabbri and L. Valli; 22. Integrated pollution, prevention and control implementation in Spain: Ongoing and future work 281; C. Pineiro, G. Montalvo, M. Bigeriego and Mariano Herrero; 23. Some aspects of emissions abatement from agriculture in the Russian Federation 293; N. Kozlova, A. Afanasyev and N. Maximov; 24. Polish experience with ammonia emission abatement for straw-based manure 301; J. Dach; 25. Effect of litter material on all-year ammonia emission at turkey housing 311; T. Kuczynski and O. Slobodzian - Ksenicz; 26. The effect of heat extraction from bedding on ammonia concentrations in deep litter pig housing 321; L. Nawrocki; 27. Dutch BAT for pigs intensive livestock farming 327; H.J.M. Hendriks; 28. Techniques to reduce the ammonia release from a cowshed with tied dairy cattle 337; G. Gustafsson, K-H. Jeppsson, J. Hultgren and J-O. Sanno; 29. Floating covers to reduce ammonia emissions from slurry 347; A.G. Williams; 30. Some Dutch nutritional approaches for reducing ammonia emission from excreta of non-ruminants 355; Z. Mroz, S.J. Koopmans, J.D. van der Klis and W. Krasucki. 31. Nutritional strategies to reduce enteric methane formation in dairy cows 367; A. Bannink, J. Dijkstra, J.A.N. Mills, E. Kebreah and J. France; 32. Animal housing design: Environmental versus animal welfare requirements 377; R. Geers and T. Kuczynski.