© 2021 Grażyna Polak, Jędrzej Krupiński, Elżbieta Martyniuk, Jolanta Calik, Aldona Kawęcka, Józefa Krawczyk, Anna Majewska, Jacek Sikora, Ewa Sosin-Bzducha, Magdalena Szyndler-Nędza, Iwona Tomczyk-Wrona, published by National Research Institute of Animal Production
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