Authors
Justyna Więcek
Department of Animal Breeding, Warsaw University of Life Sciences, Poland
Agnieszka Warda
Polish Pig Breeders and Producers Association POLSUS, ul. Ryżowa 90, Poland
Tadeusz Blicharski
Polish Pig Breeders and Producers Association POLSUS, ul. Ryżowa 90, Poland
Marcin Sońta
Department of Animal Breeding, Warsaw University of Life Sciences, Poland
Anna Zalewska
Department of Animal Breeding, Warsaw University of Life Sciences, Poland
Anna Rekiel
Department of Animal Breeding, Warsaw University of Life Sciences, Poland
Martyna Batorska
Department of Animal Breeding, Warsaw University of Life Sciences, Poland