| nematodes of the large intestine of the european bison of the białowieza national park. | the present study was conducted on 31 males and females of the european bison, eliminated during the winter seasons 2007-2011 in the białowieza primeval forest, poland. the caeca of 14 free-ranging bison, aged from 3 months up to 16 years, the most favorable infection site for the large intestine nematodes, were investigated during the winter of 2007/2008. the parasitological autopsies of the large intestines of 9 free-ranging bison aged from 5 months up to 10 years as well as 9 bison kept in th ... | 2012 | 23094330 |