1. Institute of Biological Bases of Animal Diseases, Sub-Department of Veterinary Prevention, Faculty of Veterinary Medicine, University of Life Sciences in Lublin. Akademicka 12, 20-033 Lublin, Poland.
2. Department of Biotechnology, Human Nutrition and Science of Food Commodities, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin. Skromna 8, 20-704 Lublin, Poland.