1. Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-612 Lublin, Poland
2. Second Department of Gynecology, Medical University of Lublin, 20-954 Lublin, Poland
3. Department of Vitreoretinal Surgery, Medical University of Lublin, 20-097 Lublin, Poland
4. Department and Clinic of Animal Internal Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-612 Lublin, Poland