1 | Fayoum University, Faculty of Agriculture,
Department of Poultry Sciences, 63514 Fayoum, Egypt |
2 | Fayoum University, Faculty of Agriculture,
Department of Genetics, 63514 Fayoum, Egypt |
3 | University of Kaposvár, Research Group of Animal Breeding and Hygiene,
Faculty of Animal Science,
H-7400 Kaposvár, Hungary |
4 | Szent István University,
Department of Nutrition, Faculty of Agricultural and Environmental Sciences,
H-2103 Gödöllõ, Hungary |