Table 2 Growth performances of juvenile rainbow trout fed with five experimental diets for 7 weeks

WG¹

259 ± 14.9^a

250 ± 17.4^ab

243 ± 17.7^ab

239 ± 29.0^ab

225 ± 8.82^b

SGR²

2.13 ± 0.07^a

2.09 ± 0.08^ab

2.05 ± 0.09^ab

2.03 ± 0.14^ab

1.96 ± 0.05^b

FE³

133 ± 6.14^a

131 ± 6.34^ab

127 ± 1.30^ab

125 ± 2.82^ab

125 ± 1.88^b

PER⁴

2.76 ± 0.12^a

2.70 ± 0.12^ab

2.63 ± 0.03^ab

2.62 ± 0.05^ab

2.59 ± 0.04^b

HSI⁵

1.07 ± 0.50^ns

0.91 ± 0.15

0.98 ± 0.12

1.03 ± 0.15

1.00 ± 0.13

VSI⁶

6.58 ± 0.67^ab

7.01 ± 0.60^ab

6.87 ± 1.13^ab

7.26 ± 0.99^a

6.35 ± 0.53^b

CF⁷

1.07 ± 0.08^a

0.98 ± 0.09^bc

1.04 ± 0.08^ab

0.98 ± 0.06^ab

0.90 ± 0.06^c

SR⁸

93.3 ± 7.64^ns

91.7 ± 5.77

91.7 ± 7.64

93.3 ± 11.6

95.7 ± 2.89