1. Department of Andrology and Biotechnology of Reproduction; Chair of Animal Reproduction; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin; Poland
2. Department of Epizootiology and Clinic Infectious Diseases; Faculty of Veterinary Medicine; University of Life Sciences in Lublin; Lublin; Poland
3. Department of Animal Physiology; University of Life Sciences in Lublin; Lublin; Poland