Literaturrecherche

Literatur Heil G, Hartmann W (1992) Combined summary of European random-sample-egg-production-tests completed in 1990 : report of Working Group 3 (Poultry Breeding and Genetics) of the European Federation of WPSA Branches. World's Poult Sci J 48:269-270

Literatur Hartmann W (1992) Evaluation of the potentials of new scientific developments for commercial poultry breeding. World's Poult Sci J 48(1):17-27

Literatur Heil G, Hartmann W (1992) Combined summary of European random sample egg production tests completed in 1990 : report of working group 3 (Poultry breeding and genetics) of the European Federation of World's Poultry Science Association Branches. World's Poult Sci J 48:269-270