Stationsprüfung von Herkünften für die ökologische HühnermastBernhardHörningauthorGerrietTreiauthorAnjaLudwigauthorSophieDüsingauthorThomasHackenschmidtauthorAccording to the EU regulation for organic agriculture minimum slaughter age for broiler is 81 days unless slow growing strains are used. Aim of the study was to compare broiler strains of different growing intensities with regard to performance, animal health and animal welfare. 7 broiler strains were compared (20 – 65 g daily gain). First results show a decrease of health parameters and behavioural activities with increasing growing intensity. Poultry Health and welfare Breeding and genetics2009Conference paper, poster, etc.