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Table 4 Feed inputs and cost calculation based on FCRs of 2.01 and 1.80

From: Enhancing ecological-economic efficiency of intensive shrimp farm through in-out nutrient budget and feed conversion ratio

Age classes Price of feed (USD kg−1) Total amount of feed (kg) Daily amount of feed (kg d−1) Daily feed cost (USD d−1)
FCR 2.0 FCR
1.8
FCR
2.0
FCR
1.8
FCR
2.0
FCR
1.8
PL15–5 d $2.14 90 80.6 6 5.4 $12.8 $11.5
15 d–1 month $1.77 150 134.3 10 9.0 $17.7 $15.9
1 month–2 months $2.02 540 483.6 18 16.1 $36.3 $32.5
2 months–90 d $2.02 630 564.2 21 18.8 $42.4 $38.0
Total   1410 1263    $109.3 $97.9