1. Department and Clinic of Animal Reproduction; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin Poland
2. Department of Epizootiology and Clinic of Infections Diseases; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin Poland
3. Department and Clinic of Animal Surgery; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin Poland
4. Department of Food Hygiene of Animal Origin; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin Poland