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pro vyhledávání: '"matična farma"'
Autor:
M Milan Petrovic, Vladan Bogdanović
Publikováno v:
Biotechnology in Animal Husbandry
Data on 643 beef bulls were used in order to analyze influence of rearing system or herd of origin on growth traits (average daily gain and body masses) of beef bulls in performance test (Marchigiana, n= 181, Chianina, n=240, Romagnola, n=222). Sever