De or het stalmest?

The correct Dutch article is:

de stalmest

How to use stalmest

the stalmestde stalmest
this stalmestdeze stalmest
that stalmestdie stalmest
our stalmestonze stalmest
your stalmestjouw stalmest
every stalmestelke stalmest
which stalmest?welke stalmest?
a big stalmest / the big stalmesteen grote stalmest, de grote stalmest