Summarises current research on pathogenic risks affecting milk and ways they can be controlled on the farm;

Part 1 Ensuring the safety and quality of milk on the farm1.Pathogens affecting raw milk from cows: Claire Verraes, Sabine Cardoen and Wendie Claeys, Federal Agency for the Safety of the Food Chain, Belgium; and Lieve Herman, Institute for Agricultural and Fisheries Research, Belgium; 2.Detecting pathogens in milk on dairy farms: key issues for developing countries: Delia Grace, Silvia Alonso, Johanna Lindahl, Sara Ahlberg and Ram Pratim Deka, International Livestock Research Institute (ILRI), Kenya; 3.Mastitis, milk quality and yield: P. Moroni, Cornell University, USA and University of Milano, Italy; F. Welcome, Cornell University, USA; and M. F. Addis, Porto Conte Ricerche, Italy; 4.Chemical contaminants in milk: Bernadette O'Brien and Kieran Jordan, Teagasc, Ireland; 5.Detecting and preventing contamination of dairy cattle feed: Delia Grace, International Livestock Research Institute (ILRI), Kenya; Johanna Lindahl, International Livestock Research Institute (ILRI), Kenya and Swedish University of Agricultural Sciences, Sweden; Erastus Kang'ethe, University of Nairobi, Kenya; and Jagger Harvey, Biosciences Eastern and Central Africa Hub, International Livestock Research Institute (ILRI), Kenya; Feed the Future Innovation Lab for the Reduction of Post-Harvest Loss, Kansas State University, USA;6.Minimizing the development of antimicrobial resistance on dairy farms: appropriate use of antibiotics for the treatment of mastitis: Pamela L. Ruegg, University of Wisconsin-Madison, USA; 7.Managing sustainable food safety on dairy farms: Réjean Bouchard, VIDO-InterVac/University of Saskatchewan, Canada; Helen Dornom, Dairy Australia, Australia; Anne-Charlotte Dockès, Institut de l'Élevage, France; Nicole Sillett, Dairy Farmers of Canada, Canada; and Jamie Jonker, National Milk Producers Federation, USA;Part 2 Sustainability 8.'Towards' sustainability of dairy farming: an overview: Norman R. Scott and Curt Gooch, Cornell University, USA; 9.Setting environmental targets for dairy farming: Sophie Bertrand, French Dairy Inter-branch Organization, France; 10.Grassland management to minimize the environmental impact of dairy farming: Margaret E. Graves, Dalhousie University, Canada; and Ralph C. Martin, University of Guelph, Canada; 11.Improved energy and water management to minimize the environmental impact of dairy farming: J. Upton, E. Murphy and L. Shalloo, Teagasc, Ireland; M. Murphy, Cork Institute of Technology, Ireland; and I.J.M. De Boer and P.W.G. Groot Koerkamp, Wageningen University, The Netherlands; 12.Ensuring biodiversity in dairy farming: Ben Tyson, Central Connecticut State University, USA; Liza Storey and Nick Edgar, New Zealand Landcare Trust, New Zealand; Jonathan Draper, Central Connecticut State University, USA; and Christine Unson, Southern Connecticut State University, USA; 13.Organic dairy farming and sustainability: Florian Leiber, Adrian Muller, Veronika Maurer, Christian Schader and Anna Bieber, Research Institute of Organic Agriculture (FiBL), Switzerland; 14.Trends in dairy farming and milk production: the cases of the United Kingdom and New Zealand: Alison Bailey, Lincoln University, New Zealand; 15.Assessing the overall impact of dairy sector: J. P. Hill, Fonterra Cooperative Group, New Zealand;Part 3 Improving quality, safety and sustainability in developing countries16.Improving smallholder dairy farming in tropical Asia: John Moran, Profitable Dairy Systems, Australia; 17.Improving smallholder dairy farming in Africa: J. M. K. Ojango, R. Mrode, A. M. Okeyo, International Livestock Research Institute (ILRI), Kenya; J. E. O. Rege, Emerge-Africa, Kenya; M. G. G. Chagunda, Scotland's Rural College (SRUC), UK; and D. R. Kugonza, Makerere University, Uganda; 18.Organic dairy farming in developing countries: Gidi Smolders, Wageningen University, The Netherlands; Mette Vaarst, Aarhus University, Denmark;