Welcome to the forum, sounds like you have a common problem of too many LMB, which in turn produces some nice size BG. You need to remove LMB, I am not an expert but if you are catching them on every other catch you should remove more than 50 if your pond is 2.5 acres. Also might be a good idea to introduce some new LMB genetics if the pond is 24 years old and has been stunted for awhile.

Do you pellet feed?

Until you do some heavy removing of LMB I don't think adding more forage is going to help much or be cost efficient.

Not sure of your situation but your pond sounds like it could be a good fit to grow some large HSB given you can pellet feed. They fight harder than LMB and could be a nice bonus fish while you wait for the LMB to grow...

Read through the archives as well, this is common topic of conversation and discussion.

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3/4 Acre Pond: HSB,SMB,YP,HBG,RES