One SRAC fact sheet contained the following about TS as baitfish. I think most growers rely on a well planktoned growout pond not art. feed.
http://srac.tamu.edu/tmppdfs/8989590-141fs.pdf Supplemental feeding has served to
increase production in some culture
ponds. A floating catfish ration fed
at the rate of 8 pounds/surface acre
(5 days a week) resulted in the production
of 50,000-100,000 (400-800
pounds) shad/surface acre at one
farm.
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