About the Authors

Dessie Salilew-Wondim

dsal@itw.uni-bonn.de

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Eric Fournier

Affiliation Centre de recherche en biologie de la reproduction, Faculté des sciences de l’agriculture et de l’alimentation, INAF, Pavillon des services, Université Laval (Québec), Canada G1V 0A6

Michael Hoelker

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Mohammed Saeed-Zidane

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Ernst Tholen

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Christian Looft

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Christiane Neuhoff

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Urban Besenfelder

Affiliation Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, A-1210, Vienna, Austria

Vita Havlicek

Affiliation Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, A-1210, Vienna, Austria

Franca Rings

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Dominic Gagné

Affiliation Centre de recherche en biologie de la reproduction, Faculté des sciences de l’agriculture et de l’alimentation, INAF, Pavillon des services, Université Laval (Québec), Canada G1V 0A6

Marc-André Sirard

Affiliation Centre de recherche en biologie de la reproduction, Faculté des sciences de l’agriculture et de l’alimentation, INAF, Pavillon des services, Université Laval (Québec), Canada G1V 0A6

Claude Robert

Affiliation Centre de recherche en biologie de la reproduction, Faculté des sciences de l’agriculture et de l’alimentation, INAF, Pavillon des services, Université Laval (Québec), Canada G1V 0A6

Habib A. Shojaei Saadi

Affiliation Centre de recherche en biologie de la reproduction, Faculté des sciences de l’agriculture et de l’alimentation, INAF, Pavillon des services, Université Laval (Québec), Canada G1V 0A6

Ahmed Gad

Affiliation Department of Animal Production, Faculty of Agriculture, Cairo University, 12613, Giza, Egypt

Karl Schellander

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Dawit Tesfaye

Affiliation Institute of Animal Science, Animal Breeding and Husbandry Group, University of Bonn, 53115 Bonn, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KS DT DSW MH MAS CR. Performed the experiments: MH UB VH FR DSW MSZ DG HASS. Analyzed the data: EF DSW AG. Wrote the paper: DSW DT KS EF MAS HASS. Interpreted the results, drafted and wrote the manuscript: DSW. Interpreted the results and revised draft manuscript: KS DT. Evaluated the statistical interpretation and commented on the manuscript: EF. Commented on the manuscript: MAS ET CL CN CR HASS.