© 2014 Barbara Gajda, Barbara Szczęśniak-Fabiańczyk, Izabela Mandryk, Katarzyna Poniedziałek-Kempny, Florian Ryszka, Barbara Dolińska, Lucyna Leszczyńska, Zdzisław Smorąg, published by National Research Institute of Animal Production
This work is licensed under the Creative Commons License.