Skip to main content

Table 1 Description of the data set used in the analyses

From: Linoleic acid metabolic pathway allows for an efficient increase of intramuscular fat content in pigs

Items No. of pigs No. of sires No. of dams No. of litters Mean Standard deviation
Pedigree 162,494 1032 32,767 38,253
Traita
 Body weight at test, kg 91,448 670 22,297 38,226 105.4 12.4
 Backfat thickness at test, mm 91,061 670 22,256 38,109 16.1 3.4
 Intramuscular fat, % 1371 179 752 755 4.9 1.9
 C18:2, mg/g FA 1371 179 752 755 113.4 21.9
 C20:2, mg/g FA 1371 179 752 755 5.4 1.2
 C20:4, mg/g FA 1371 179 752 755 13.5 6.3
 C18:2, mg/g 1371 179 752 755 17.1 4.2
 C20:2, mg/g 1371 179 752 755 0.8 0.3
 C20:4, mg/g 1371 179 752 755 1.9 0.7
 C20:2 / C18:2 (×100) 1371 179 752 755 4.8 0.8
 C20:4 / C18:2 (× 100) 1371 179 752 755 11.9 4.8
Covariates
 Age at test, d 91,448 670 22,297 38,226 177.2 10.6
 Age at slaughter, d 1371 179 752 755 213.5 9.9
  1. aIntramuscular fat content and fatty acid composition in the muscle gluteus medius. Linoleic acid (C18:2), eicosadienoic acid (C20:2) and arachidonic acid (C20:4) are expressed in relative (mg/g of fatty acid (FA)) or in absolute value (mg/g of dry muscle)