Affiliation: | a Reproduction Centre Wieselburg, Institute of Animal Breeding and Genetics, Department for Biomedical Sciences, University of Veterinary Medicine, Veterinaerplatz 1, A-1210 Vienna, Austria b Clinic for Cattle, Reproductive Medicine Unit, University of Veterinary Medicine, Bischofsholer Damm 15, D-30173 Hanover, Germany c Institute of Animal Breeding and Genetics, Department for Biomedical Sciences, University of Veterinary Medicine, Veterinaerplatz 1, A-1210 Vienna, Austria d Department for Agrobiotechnology, IFA-Tulln, University of Natural Resources and Applied Life Sciences Vienna, Konrad Lorenz Strasse 20, A-3430 Tulln, Austria |