Human breast milk. you wouldn't have sex with a cow but you drink her milk so how about drinking milk for humans made by humans?
Once again, 'murrican society has conditioned us to have a knee jerk reaction and be repulsed by that idea.
Here's an image. You come home to your husband, boyfriend, whatever, and find him mounting a cow in sexual congress. OMG!
BUT you're all fine and dandy with drinking that which emanates from said cow's titties!
So visions of $$$ were dancing in my head as I thought about how to market my brilliant concept in the mainstream media until (cue up needle scraping across vinyl sound effect) a google search found me this:
ONLY THE BREAST
So now my enterprise is a MOOt point....