1. Department of Animal Breeding and Husbandry in the Tropics and Sub‐tropics University of Hohenheim Stuttgart Germany
2. Livestock Efficiency Enhancement group (LEEG), Department of Animal and Fisheries Sciences Maseno University Maseno Kenya
3. Poultry Research Program Kenya Agricultural and Livestock Research Organization Naivasha Kenya
4. Department of Animal Breeding and Genetics University of Hohenheim Stuttgart‐ Germany