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
Jerzy Wysocki
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, Veterinary Surgery, Tykocin, Poland
Marcin Kocik
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, Veterinary Surgery, Borzecin, Poland