1 | Department of Animal Hygiene and Environmental, University of Warmia and Mazury in Olsztyn, Poland |
2 | Department of Clinical Physiology, University of Warmia and Mazury in Olsztyn, Poland |
3 | Department of Cattle Breeding and Milk Evaluation, University of Warmia and Mazury in Olsztyn, Poland |
4 | Department of General Surgery, Ysbyty Gwynedd Hospital, Bangor, United Kingdom |