Figure 2From: A polymorphism in the insulin-like growth factor 1 gene is associated with postpartum resumption of ovarian cyclicity in Holstein-Friesian cows under grazing conditionsPercentage of cows cycling across SNP IGF-1 / Sna BI genotypes (AA, AB, BB) within the same day postpartum. Superscripts differ by: a, b P ≤ 0.05, x, y, z P ≤ 0.1.Back to article page