The heritable landscape of near-infrared and Raman spectroscopic measurements to improve lipid content in Atlantic salmon fillets

Table 1 Summary of heritability estimates for lipid content in Atlantic salmon and various measurement, sampling and available population descriptions in the literature

Population	N	Harvest weight (kg)	Dietary fat (%)	Muscle	Method	Lipid % mean (SD)	Range (%)	\({h}^{2}\)	Study
Akvaforsk 1984	667	6.4 ± 1.9	17–18%	NQC	CT	16.7 ± 2.7	11.0–22.0^b	0.30 ± 0.09^a	[16]
Akvaforsk 1985	604	6.9 ± 1.8	17–18%	NQC	CT	14.5 ± 2.4	9.8–19.2^b	0.30 ± 0.09^a	[16]
ASBDP	472	6.7 ± 1.5	NR	RSGC	NIR	15.9 ± 2.0	6.1–21.1	0.19	[7]
MOWI 2002	136	3.9 ± 0.1^c	NR	NQC	NIR	9.6 ± 2.5	2.8–14.7	0.21 ± 0.03^a	[48]
MOWI 2003	19	5.3 ± 0.3	NR	NQC	NIR	14.7 ± 3.2	7.6–20.0	0.21 ± 0.03^a	[48]
MOWI 2008	50	4.4 ± 1.4	27–37%	NQC	CE	12.6 ± 1.6	9.5–15.6^b	NA	[49]
MOWI 2008 × WILD	50	3.13 ± 0.8	27–37%	NQC	CE	12.1 ± 1.1	10.0–14.2^b	NA	[49]
WILD	50	2.0 ± 0.5	27–37%	NQC	CE	11.7 ± 1.3	9.2–14.3^b	NA	[49]
AquaGen	2428	NR	31–35%	Fillet	NIR	NR	NR	0.28	[50]
Landcatch 2004	1682	1.98 ± 0.8	NR	RS8	DFM	13.5 ± 4.3	5.5–21.8^b	0.28 ± 0.05	[8]
Landcatch 2002	1697	2.57 ± 0.6	NR	RS8	DFM	12.2 ± 5.6	1.3–23.2	0.18 ± 0.03	[51]
SalmoBreed 2001	2634	3.16 ± 0.7	NR	NQC	NR	12.6 ± 1.4	5.4–17.1	NR	[52]
SalmoBreed 2014	668	3.6 ± 0.9	36%	NQC	CE	19.1 ± 3.4	5.5–27.7	0.46 ± 0.10	[13]

N number of fish, NQC Norwegian quality cut, RSGC right side behind gill cover, RS8 8 random samples over entire body, CT computerised X-ray tomography, NIR near infrared, CE chemical extraction, DFM Distell fat meter, NR not reported, NA not applicable. \({h}^{2}\)heritability
^aIndicate h² estimates from joint year classes
^bIndicates range estimated from mean ± 1.96*standard deviation
^cIndicates gutted weight

ISSN: 1297-9686