1 Apicultural State Institute, University of Hohenheim, Stuttgart, Germany. carolin_friedle@uni-hohenheim.de.
2 Institute of Animal Science, Department of Livestock Population Genomics, University of Hohenheim, Stuttgart, Germany. carolin_friedle@uni-hohenheim.de.
3 Institute of Animal Science, Department of Livestock Population Genomics, University of Hohenheim, Stuttgart, Germany.
4 Core Facility Hohenheim and Institute of Economics, University of Hohenheim, Stuttgart, Germany.
5 Apicultural State Institute, University of Hohenheim, Stuttgart, Germany.