To reduce invasive touch to the animal, can we do a baseline fecal sampling (to assess the cortisol metabolite) in animal without ACTH challenge?

I'm doing a fecal sample collection and analysis on cortisol metabolite study. However, i might find it hard to conduct ACTH challenge since 1) in the field/ wild condition, 2) we are collecting...

10 October 2016 9,886 8 View