Personally, I would change the beef and chicken heart to beef liver - it
contains more digestible nutrients. Drop it in boiling water for a few
minutes to seal the blood before mincing it up and throw some green veggies
in as well?
Adrian.
Adrian R. Tappin
Brisbane, Australia.
"Home of the Rainbowfish"
http://www.ecn.net.au/~atappin/home.htm