Exploiting within-breed variability in the autochthonous Reggiana breed identified several candidate genes affecting pigmentation-related traits, stature and udder defects in cattle.

Anim Genet · 2021 · PMC8519023 · PMID 34182594

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highly significantP = 1.41 × 10 −29actually significant

Muzzle colour Single marker analysis that was run considering separately all three phenotypic classes (pink/pale, grey and black muzzles) identified a peak of highly significant markers ( P = 1.41 × 10 −29 ) on BTA18 within the melanocortin 1 receptor ( MC1R ) gene (Table 2 and Fig. 3a ; Table S1 ).

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