Hey this came up on my betta group, do any of you know the answer to this. I've
thought of using this food myself if I ever raise any angel fry now I'm thinking
its not a good idea.
I left my post so you can see what my response to her question was.
Thanks!
Donna
----- Forwarded Message ----
From: Donna King <donnalynneking@yahoo.com>
Astaxanthin, Carotenoids in fry food
Wow scary stuff! Good job doing your research. I don't know your answer but I
would not feed them till I knew more. Have you called the company? I'll cc this
to Gerald, maybe he'll be around and be able to help. I'll ask on my frog group
too.
Donna
________________________________
From: haecklers <haecklers@gmail.com>
Subject: [Betta Splendens] Astaxanthin, Carotenoids in fry food
Is this an important element in raising betta fry? I started feeding my fry
vinegar eels and infusoria, then switched to microworms, and Walter worms were
next on the list but I feel odd feeding them only one thing at a time when all
the rest of my fish get a varied diet.
I've been looking at Golden Pearls, and they went to some trouble to tell folks
they contain astaxanthin, which I'd never heard of before. Researching it I
found a paper that said some fish can't synthesize it on their own and it can be
a growth limiting factor, even lead to high mortality. It is a specific
carotenoid. On low amounts the fish don't grow as well and aren't as healthy.
I'm more worried about raising fry with a nutritional deficiency that would
affect their future health.
I'm thinking of trying a worm culture with some of my high quality fish food
added, like the Omega or New Life Spectrum. Has anyone done that? Does it rot
and stink or is it ok to add? What about carrot peels - would the worms be able
to eat them? It looks like astaxanthin is only made by aquatic algae, tho.
Anyone here raise fry using Golden Pearls or NatuRose powder?
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