De or het stierenkeuring?

The correct Dutch article is:

de stierenkeuring

Rule Words ending in -ing: almost always de. See the rule

How to use stierenkeuring

the stierenkeuringde stierenkeuring
this stierenkeuringdeze stierenkeuring
that stierenkeuringdie stierenkeuring
our stierenkeuringonze stierenkeuring
your stierenkeuringjouw stierenkeuring
every stierenkeuringelke stierenkeuring
which stierenkeuring?welke stierenkeuring?
a big stierenkeuring / the big stierenkeuringeen grote stierenkeuring, de grote stierenkeuring