1. Animal Breeding and Genetics; Department of Animal Production; Faculty of Agriculture; Jordan University of Science and Technology (JUST); Irbid Jordan
2. Animal Genetic Resources Branch; Animal Production and Health Division; Agriculture and Consumer Protection Department; Food and Agriculture Organization of the United Nations (FAO); 00153 Rome Italy
3. Parco Tecnologico Padano; 26900 Lodi Italy
4. Institute of Agricultural Biology and Biotechnology; National Research Council; Milan Italy