The reason he was able to raise 5600 pounds of fish in one acre is likely the same reason those fish perished after the power failed. Because the pond is on the absolute ragged edge of sustainability, and relies on artificial means to continue operating.

"Forget pounds and ounces, I'm figuring displacement!"

If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.