1. Department and Clinic of Reproduction; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin Poland
2. Department of Epizootiology and Clinic of Infectious 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