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Table 6 Condition factor, somatic indexes and fillet physical quality parameters of rainbow trout fed the experimental diets (n = 20)

From: Evaluation of the suitability of a partially defatted black soldier fly (Hermetia illucens L.) larvae meal as ingredient for rainbow trout (Oncorhynchus mykiss Walbaum) diets

Items HI0 HI25 HI50 SEM P-value
K 1.18 1.23 1.21 0.011 0.198
CY 88.88 88.87 88.94 0.110 0.968
HSI 1.63 1.73 1.71 0.021 0.158
VSI 8.94 9.25 9.21 0.141 0.632
CF 1.57 1.41 1.39 0.066 0.472
Quality parameters
 pH24 6.36 6.38 6.41 0.016 0.557
 L* 45.06 46.38 47.98 0.618 0.157
 a* 0.24 −0.25 −0.29 0.187 0.434
 b* 6.34 6.68 6.67 0.145 0.575
 Hue −0.48 −0.09 −0.41 0.179 0.644
 Chroma 6.50 6.86 6.77 0.153 0.608
  1. Abbreviations: HI Hermetia illucens, SEM standard error of the mean, P probability, K condition factor, CY carcass yield, HSI hepatosomatic index, VSI viscerosomatic index, CF coefficient of fatness, pH 24 fillet muscle pH at 24 h post mortem, L* lightness, a* redness, b* yellowness