angelsky,
I heard goat's milk is good but got smell right? I've never tried but I don't take mutton so a bit scared got smell.
Luvv,
You mean replace formula with chocolate milk!?!? Too much sugar, fresh milk is better. Don't create a sweet tooth for them then later regret. But if let them try for fun then should be ok lah.
Threadfin can take everyday, shouldn't be a problem. Other deep sea fish will have to watch out for mercury lor. But everyday same thing a bit boring mah, alternate between fish, chicken, pork, beef, or whatever meat you give lah.