This publication contains the proceedings of the 34th Biennial Session of the International Committee for Animal Recording (ICAR) and the Interbull Meeting held in Sousse, Tunisia from 28th May to 3rd June 2004. The book is divided in five sessions, containing in total 50 technical papers and reports. One key session debates the traceability and all subjects involved in animal health recording. This publication also presents, for the first time, the statistics of the "Yearly inquiry on the situation of milk recording in ICAR member countries. Results for the years 2001 and 2002" are up-dated to April 2004. About 35 pages are devoted to national milk productions, their recording costs, position of milk recording and the results of milk recording divided by breeds and are presented in easy to read tables. The main topics covered in this book are: - the latest genetic improvement techniques for the global dairy industry; - the potential to create an int.