David Lawton wrote:
> As I know nothing about oligtrophic bugs I can't comment,
> but being highly pedantic, for air samples wouldn't blood agar be considered
> a non - selective medium
> especially when compared with nutrient agar.
For culturing watersamples nutrient agar or R2A is recommended. We find a
100-1000 fold increase in colony count compared to blood agar.
Air samples can show fantastic amounts of growth on bloodagar. Usually the whole
lot gets overgrown with molds.
Loes