1 | National Research Institute of Animal Production, Department of Animal Nutrition and Feed Science, 32-083 Balice, Poland |
2 | National Research Institute of Animal Production, National Laboratory for Feedingstuffs, Żubrów 1, 71-617 Szczecin, Poland |
3 | National Veterinary Research Institute, Department of Hygiene of Animal Feedingstuffs, al. Partyzantów 57, 24-100 Puławy, Poland |