1. Thuringian Animal Diseases Fund; Thuringian Animal Health Service; Victor-Goerttler-Str. 4 Jena D-07745 Germany
2. Bavarian Animal Health Service e. V.; Senator-Gerauer-Straße 23 Grub/Poing D-85586 Germany
3. Institute of Animal Breeding and Genetics; Justus Liebig University; Ludwigstraße 21b Gießen D-35390 Germany