Table 2

- Genetic effects on coat colour in cattle: dilution of eumelanin and phaeomelanin pigments in an F2-Backcross Charolais × Holstein population

Significant associations detected for the dilution-related traits and the Grey-Intensity trait. For each significant association, the position, and gene effect estimates (additive and dominance) are detailed. See Methods for further details about the trait categories.

Quantitative-Dilution (443 individuals included in analysis): White (1), Pale colour (2; Light-Red and Grey), Dark colour (3; Dark-Red and Black).

Quantitative-Black (327): White, only whites of E^D- genotype at MC1R (1), Grey (2), Black (3).

Quantitative-Red (130): White, excluding whites of E^D- genotype at MC1R (1), Light-Red (2), Dark-Red (3).

Grey-Intensity (141): Light-Grey (1), Dark-Grey (2)

p_c-value: chromosome-wide p-value

* p-value < 0.05; ** p-value < 0.01; ** p-value < 0.001

^▲ Includes MC1R genotype (E^D-, E⁺e, ee) as a fixed effect.

^▲▲ Includes SILV c.64A>G genotype as a fixed effect.