Affiliation: | 1.Institute of Animal Sciences; Faculty of Animal Sciences, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425, Krakow, Poland ;2.Department of Biometry and Forest Productivity; Faculty of Forestry, University of Agriculture in Krakow, al. 29 Listopada 46, 31-425, Krakow, Poland ; |