European Commission Coordinator Sandra Wilson Roslin Institute Roslin, Midlothian, EH25 9PS, Scotland Tel: 0131 527 4446 e-mail: sandra.wilson@bbsrc.ac.uk Technical Consultant Cliff Nixey British United Turkeys Hockenhull Hall, Tarvin, Chester CH3 8LE, England Tel: 01829 740 801 e-mail: cliff.nixey@but.merial.com   Project Leader Project Leader Project Leader Markus Reinmann Swiss Federal Veterinary Office, ZTHZ Burgerweg 22. 3052 Zollikofen/Bern, Switzerland Tel: 319153510 e-mail: reinmann@bluewin.ch Teun Veldkamp Centre for Applied Poultry Research 'Het Spelderholt' Postbus 31 7360 AA Beekbergen, The Netherlands Tel: 55 5066500 e-mail: t.veldkamp@pv.agro.nl Jutta Berk Institute of Animal Science & Animal Behaviour, FAL, 06193, Nauendorf/Merbitz, Germany Tel: 034603 240220 e-mail: jutta.berk@fal.de