Authors
Bogumił Sobczyński
Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
Dariusz Piwczyński
Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
Beata Sitkowska
Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
Piotr Wójcik
Department of Cattle Breeding, National Research Institute of Animal Production, Kraków, Poland
Magdalena Kolenda
Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland