Blazichu, I've got some logic information for ya:
If you lose so much against Ludicolos at the Factory why don't you just pick a Pokémon with Aerial Ace or just a Flying type?
On-Topic: I've bred for a Slaking and it has got 3 good IV stats which are:
It has got an Adamant nature so I just took it. It's EV training is done and it's ready to fight in the BF.