
For a start, stop diluting it - goats' milk isn't as rich as bitch's milk anyway!
Quantities are hard to dictate, expecially when you don't say what breed they are! ;)
I always feed my pups from individual bowls so that a) I can see how much each one is getting; b) they don't have to compete for food and so don't start scrapping over it; and c) holding each dish instils in every pup the knowledge that people near their bowl is a Good Thing and they welcome people near them when they eat.