Tilapia don't need high protein food. They are like cows - herbivores and not like BG or LMB. Plain catfish food would be better or food that is plant based rather than fish/protein based. Small tilapia can use higher protein food better than adults due to their increased growth rate.
From SRAC -
https://srac.tamu.edu/serveFactSheet/53 …in commercial foodfish
ponds the crude protein content of
feeds is usually 26 to 30 percent, onetenth
or less of which is of animal
origin. The protein content and proportion
of animal protein may be
slightly higher in recirculating and
flow-through systems.
The digestible energy requirements
for economically optimum growth
are similar to those for catfish and
have been estimated at 8.2 to 9.4 kcal
DE (digestible energy) per gram of
dietary protein.
In the absence of feeds
specifically prepared for tilapia, a
commercial catfish feed with a crude
protien content of 28 to 32 percent is
appropriate in the United States.
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