Dietary inclusion of a partially defatted black soldier fly (Hermetia illucens) larva meal in low fishmeal-based diets for rainbow trout (Oncorhynchus mykiss)

Table 6 Effect of the dietary inclusion of BSF meal on flesh color and pH₂₄ of cranial, medial and caudal regions of rainbow trout fillets (n = 9)

	BSF0	BSF3	BSF6	BSF9	BSF12	BSF15	SEM	P-value
Cranial region
L*	42.3	46.1	43.5	45.0	43.2	43.4	0.799	0.788
a*	0.35	0.42	−0.32	2.06	−0.35	0.33	0.255	0.069
b*	6.25	8.06	6.32	8.17	6.17	6.60	0.258	0.051
pH₂₄	6.49	6.31	6.38	6.32	6.37	6.42	0.020	0.101
Medial region
L*	42.0	45.1	44.3	47.2	43.6	45.0	0.778	0.562
a*	1.57	3.73	1.58	2.70	2.88	1.87	0.316	0.292
b*	7.93	9.66	8.26	9.86	7.60	8.51	0.314	0.204
pH₂₄	6.40	6.26	6.33	6.28	6.31	6.35	0.019	0.119
Caudal region
L*	44.3	49.6	47.1	47.0	45.8	47.3	0.743	0.490
a*	2.95	2.14	2.93	3.92	4.81	2.31	0.579	0.784
b*	9.08	10.30	9.68	10.54	7.98	8.60	0.337	0.203
pH₂₄	6.37	6.26	6.29	6.25	6.28	6.34	0.017	0.143

Abbreviations: BSF Hermetia illucens, L* lightness, a* redness, b* yellowness, SEM standard error of the mean

ISSN: 2049-1891