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The correlation between OXTR gene polymorphism and relative duration (%) of maternal behaviors: (A) Licking, (B) Contact, (C) Sniffing/poking, (D) Out of box. The presence of the A allele (AA + AT) in rs8679684 SNP was associated with a higher level of licking (p = 0.1870) and contact (p = 0.0468), but with a lower level of sniffing/poking (p = 0.0374) and out of box (p = 0.0432) (* p ≤ 0.05—Mann–Whitney test).
