The influence of different concentrations of feed additive, based on shell rock and bentonite, on the growth, blood and meat parameters of the African black ostrich (Struthio camelus) in south-east Kazakhstan

(Uldana Shameeva, Przemysław Sobiech, Gulmira Zhanabekova, Akylbek Zhumageldiev, Altay Ussenbayev, Denys Khusainov, Dominika Wysocka, Anna Snarska, and Marko Samardžija)

Utjecaj različitih koncentracija mješavine ljuske stijene i bentonita u hrani na rast, krvne i pokazatelje mesa u afričkog crnog noja (Struthio camelus) iz jugoistočnog Kazahstana