Authors
Władysław Wawron
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Mariola Bochniarz
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Tomasz Piech
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Wojciech Łopuszyński
Department of Pathological Anatomy, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Jerzy Wysocki
Veterinary Clinic, Tykocin, Poland