1. Institute of Biotechnology in Animal Production; Interuniversity Department for Agrobiotechnology (IFA Tulln); University of Natural Resources and Applied Life Sciences Vienna; 3430 Tulln Austria
2. Institute of Animal Breeding and Genetics; Department for Biomedical Sciences; University of Veterinary Medicine Vienna; 1210 Vienna Austria
3. Institute of Molecular Animal Breeding and Biotechnology; Ludwig-Maximilian University; 85764 Munich Germany
4. VetCore Facility for Research; University of Veterinary Medicine Vienna; 1210 Vienna Austria
5. Reproduction Centre Wieselburg; University of Veterinary Medicine Vienna; 3250 Vienna Austria