1. Department of Animal NutritionThe Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences Instytucka 3 Jabłonna 05‐110 Poland
2. Department of Animal Nutrition and Feed ManagementPoznań University of Life Sciences Wołyńska 33 Poznań 60‐637 Poland
3. Department of Animal Breeding and Animal Product Quality AssessmentPoznań University of Life Sciences Wołyńska 33 Poznań 60‐637 Poland