Fig. 3

Immunoreactive fecal cortisol levels for samples collected from the three European bison bulls on the days before (marked as “-”) and after transport: a Plener III, b Platyn and c Podlas
Immunoreactive fecal cortisol levels for samples collected from the three European bison bulls on the days before (marked as “-”) and after transport: a Plener III, b Platyn and c Podlas