Table 9 Economic assessment of fermented rice Polishings incorporation in the diets of nile tilapia.

From: Fermented rice polishings dietary supplementation sustainably enhanced growth performance, gut morphology, immune response and antioxidant status of Nile tilapia

Parameters

Test diets

R0

R10

R20

R30

R40

Feed cost (USD/kg)

0.464

0.436

0.431

0.424

0.414

Feed conversion ratio

1.33

1.28

1.24

1.29

1.31

Cost of feed for 1 kg fish (USD/kg weight gain)

0.62

0.56

0.53

0.55

0.54

Cost reduction of feed per 1 kg fish (USD/kg weight gain)

0

0.028

0.033

0.04

0.05

Relative cost reduction of feed per kg fish gain (%)

0

6

7.2

8.66

10.75

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