Fig. 1From: Factors influencing the bone mineral density in Duroc boarsRelationship between serum levels of calcium, phosphate and BMD. A–C Effects of serum calcium (A), phosphate (B) levels and serum Ca/P ratio (C) on BMD. D Quadratic relationship for serum Ca/P ratio and SOS in Duroc boars, each black point represents a sample. Values were expressed as mean ± SEM. A, B peer data show extremely significant differences without the same letter (P < 0.01)Back to article page