Data analysed in this study have been supplied by FAO and USDA. FAO data were provided from the Agrostat databases for feed use of different cereals, brans, oilseeds, oilmeals and roots and tubers commodities with the help of Henning Steinfeld, Jan Groenewold and Jelle Bruinsma of FAO Data on the production, consumption, feed use and trade of feed commodities (except roots and tubers) were abstracted from the PS&D (Production, Supply and Distribution) database provided by the USDA Economic Research Service (through Peter Riley). Additional analysis work was carried out by Darius Campbell, Danni Romney and Jeroen Dijkman of the NRI.
Thanks are due to Jan de Wit for comments on drafts of the estimates of feed utilization in production systems (in Appendix 2), and to Henning Steinfeld, Cees de Haan and Harvey Blackburn of the Coordination Committee for comments on preliminary drafts Richard Matthewman of NRI provided further comments and draft material.
The study was part funded by the European Union through the SEMG NRI provided additional staff time required to complete the study
