In Sparta, they more or less fed them to the vultures. Probably the Scythians did the same, but I don't know. I did a cursory search and found nothing definitive.
Maybe the practise should continue?
Whilst we are on the subject, here is a theoretical history on infanticide. Theoretical. I mean this is Wiki, so. . .
http://en.wikipedia.org/wiki/Infanticide
Interesting, huh?
Oh, I gotta throw this on, too:
https://www.google.com/search?ix=sea&sourceid=chrome&ie=UTF-8&q=after+they+ate+the+kids%2C+did+guys+eat+their+wives+during+china+famine
I mean if I have a link description that ends with 'He ate his own wife', HOW CAN I NOT POST IT?!