This was taken out of a book, it was the most ready information I have, although it's only a snippet. If your not satisfied try looking for some articles on-line.
Discus Fish by Thomas A Giovanetti and Oliver Lucanus "It is important that beef heart be only part of the Discus diet. Using beef heart as the only food for your fish can cause serious health problems, including intestinal blockage. Ideally, this food is fed two days a week."
Found more. This was taken off the forum and is quoting Tolak on Beef heart feeding.
"Overfeeding has been implicated in problems with internal organs. It is one of the best conditioning foods around, when used properly."\
Search the word Beef Heart on the forum, quite a bit will come up, i'm not sure if alot of it has anything to do with the health problems it can cause if fed too much I didn't look through it all but if you are still not sure try it and see.
Discus Fish by Thomas A Giovanetti and Oliver Lucanus "It is important that beef heart be only part of the Discus diet. Using beef heart as the only food for your fish can cause serious health problems, including intestinal blockage. Ideally, this food is fed two days a week."
Found more. This was taken off the forum and is quoting Tolak on Beef heart feeding.
"Overfeeding has been implicated in problems with internal organs. It is one of the best conditioning foods around, when used properly."\
Search the word Beef Heart on the forum, quite a bit will come up, i'm not sure if alot of it has anything to do with the health problems it can cause if fed too much I didn't look through it all but if you are still not sure try it and see.