Authors
Krzysztof Górski
Department of Animal Reproduction and Hygiene, Faculty of Natural Sciences, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Stanisław Kondracki
Department of Animal Reproduction and Hygiene, Faculty of Natural Sciences, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Anna Wysokińska
Department of Animal Reproduction and Hygiene, Faculty of Natural Sciences, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Maria Iwanina
Department of Animal Reproduction and Hygiene, Faculty of Natural Sciences, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland