I have 9 EBJD fry growing out right now and not once did I feed them live BBS or even decapsulated BBS. I had a pair of BGJDs spawn but I was already growing another batch out so I left the spawn with them about 3-4 weeks later there were about 12-15 fry left and I noticed most of them were blues so I pulled them. Amazingly enough 9 were blue and the rest were regular JDs and all 9 survived and the regulars all died.
I don't know what they were eating in the tank with the parents, but I was only feeding the parents Hikari Gold and since I've pulled them I been feeding them crushed Hikari BIO Gold and they seem to be doing well. I'll try to post some pictures of them.