De or het rasveredeling?

The correct Dutch article is:

de rasveredeling

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

How to use rasveredeling

the rasveredelingde rasveredeling
this rasveredelingdeze rasveredeling
that rasveredelingdie rasveredeling
our rasveredelingonze rasveredeling
your rasveredelingjouw rasveredeling
every rasveredelingelke rasveredeling
which rasveredeling?welke rasveredeling?
a big rasveredeling / the big rasveredelingeen grote rasveredeling, de grote rasveredeling