Board Thread:General Discussion/@comment-24471533-20140126214248/@comment-24351824-20140208165324

Here's what's posted on the MSM FB page:

Hooray, it's the weekend! To celebrate, get 33% more Food when you buy any Food pack! Remember, the higher a monster's level, the more valuable it is in a breeding combination!

I don't how else to interpret that a higher level is more valuable in breeding than that the levels of your breeders so make a difference. Probably not much of one, but at least it's something. :)