Economic optimization of full-sib test group size and genotyping effort in a breeding program for Atlantic salmon

Table 1 Parameters used for each trait to predict the gain in the aggregate genotype

Trait	Baseline trait level (trait unit)	Phenotypic variance (trait unit²)	σ_A (trait unit)^a	Economic value (€/trait unit/ton production)	Standardized economic value (€/σ_A/ton production)
TGC	2.92	0.127	0.208	1780	370
TFC	2.76	0.322	0.272	− 1100	− 299
R₀	4.7	11.6	1.74	− 65^b	− 113
FY	69^c	4.0^d	1.18	63.8	75.5
DGY	80^c	2.25^d	1.10	–	–
FilletFat	17^e	4.4^e	1.36	–	–
ViscFat	3.0^e	0.49^e	0.336	–	–

TGC thermal growth coefficient (g^1/3/(day degrees × 1000)), TFC thermal feed intake coefficient (g^0.317/(day degrees × 1000)), R₀ for sea lice, FY fillet yield (%), DGY deheaded gutted yield (%), FilletFat fillet fat content (%), ViscFat visceral fat score (from 0 to 4)
^aGenetic standard deviation
^bJanssen et al. [9]
^cPowell et al. [11]
^dHaffray et al. [12]
^eDo [13]

ISSN: 1297-9686