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Table 1 Descriptive statistics, variance components and genomic heritability for internal organ traits in the Embrapa F2 Chicken Resource Population

From: Genome-wide association scan for QTL and their positional candidate genes associated with internal organ traits in chickens

Trait N Average ± SD1 Residual variance Genetic variance Total variance Genomic heritability2
HWT 480 6.389 ± 1.694 1.149 0.131 1.279 0.10
HEARTP 480 0.658 ± 0.131 0.013 0.002 0.014 0.12
LIVWT 480 26.139 ± 5.308 7.481 0.565 8.046 0.07
LIVP 480 2.695 ± 0.326 0.068 0.014 0.082 0.17
GIZZWT 480 23.830 ± 4.533 6.398 5.309 11.707 0.45
GIZZP 480 2.476 ± 0.399 0.074 0.060 0.134 0.44
LUNGWT 479 8.222 ± 2.246 2.606 0.163 2.769 0.06
LUNGP 479 0.817 ± 0.165 0.027 0.003 0.030 0.10
INTES 479 153.056 ± 14.793 88.588 61.656 150.244 0.41
  1. HWT: heart weight; HEARTP: heart percentage; LIVWT: liver weight; LIVP: liver percentage; GIZZWT: gizzard weight; GIZZP: gizzard percentage; LUNGWT: lung weight; LUNGP: lung percentage; INTES: intestine length (cm). All the weights are expressed in grams
  2. 1Standard deviation of the mean
  3. 2Genomic heritability estimated with Bayes B model