Abstract
1 Czech University of Life Sciences, Department of Microbiology, Nutrition and Dietetics, Kamcká 129, Prague 6 – Suchdol, 165 21, Czech Republic
2 Institute of Animal Physiology and Genetics v.v.i., Academy of Sciences of the Czech Republic, Vídeská 1083, Prague 4 – Kr, 142 20, Czech Republic
3 Institute of Microbiology v.v.i., Academy of Sciences of the Czech Republic, Vídeská 1083, Prague 4 – Kr, 142 20, Czech Republic
4 Charles University in Prague, Department of Zoology, Albertov 6, Prague 2, 128 43, Czech Republic