Proceedings of the 11th Ostrich World Congress - Šimpraga, Miljenko; Horbańczuk, Jaroslaw Olav; Madeiros, Clive A.; Hamann, Franziska; Hasan, Vahedi; Hajbabaie, Ali; Minet, Dunja; Cooper, R. G.; Mahrose, Kh. M.; Marai, I. F. M.; Trbojević-Vukičević, Tajana; Babić, Krešimir, veterinar; et al. (Faculty of Veterinary Medicine, 2004)