1. Central Laboratory, National Research Institute of Animal Production, Balice, 32-083 Kraków, Poland
2. Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland
3. Institute’s Experimental Station in Kołuda Wielka, 88-160 Janikowo, Poland
4. Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland