About the Authors

Katharina L. Graunke

Affiliations Ethology Unit, Institute of Behavioural Physiology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany, Faculty of Agricultural and Environmental Sciences (AUF), PHENOMICS office, University of Rostock, Rostock, Germany

Gerd Nürnberg

Affiliation Institute of Genetics and Biometry, Bioinformatics and Biomathematics Unit, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

Dirk Repsilber

Affiliation Institute of Genetics and Biometry, Bioinformatics and Biomathematics Unit, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

Birger Puppe

Affiliations Ethology Unit, Institute of Behavioural Physiology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany, Faculty of Agricultural and Environmental Sciences (AUF), Behavioural Sciences, University of Rostock, Rostock, Germany

Jan Langbein

langbein@fbn-dummerstorf.de

Affiliation Ethology Unit, Institute of Behavioural Physiology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL BP. Performed the experiments: KLG JL. Analyzed the data: KLG JL BP. Contributed reagents/materials/analysis tools: GN DR. Wrote the manuscript: KLG GN JL. Critical review and comments on data analyses and mansucript: GN DR BP.