Authors
Janusz Zbylut
Department of Pathophysiology of Reproduction and Mammary Gland, National Veterinary Research Institute, Bydgoszcz, Poland
Marek Gehrke
Department of Animal Reproduction and Animal Health Protection, University of Technology and Life Sciences, Bydgoszcz, Poland
Edward Malinowski
Department of Pathophysiology of Reproduction and Mammary Gland, National Veterinary Research Institute, Bydgoszcz, Poland