Sounds good to me. I think rather than focusing on how much they eat, it's always a good idea to keep track of how much they weigh. That's ultimately what counts. If they're getting fat, feed less, if they're too skinny, feed more.
"To close your eyes will not ease another's pain." ~ Chinese Proverb
“We must not refuse to see with our eyes what they must endure with their bodies.” ~ Gretchen Wyler