Khattab, A. S., Salem, A. H., Kassab, M., Tőzsér, J., & Gabr, A. A. (2021). A comparison between different selection indexes for milk and udder health traits on Holstein-Friesian cows in Egypt. Animal Welfare, Ethology and Housing Systems (AWETH), 17(1), 42-50. https://doi.org/10.17205/SZIE.AWETH.2021.1.042