H. Ismael 1, *, R. Djedović 1, V. Bogdanović 1, D. Stanojević 1, S. Trivunović 2, D. Janković 2 and T. Stamenić 3
1 University of Belgrade, Faculty of Agriculture, Department of Animal Science, Nemanjina 6, 11080 Zemun, Serbia,
2 University of Novi Sad, Faculty of Agriculture, Square Dositej Obradović 8, 21101, Novi Sad, Serbia.
3 Institute for Animal Husbandry, 11080 Belgrade-Zemun, Autoput 16, P. Box 23.