Significant Pearson correlation coefficients within diets and day after insemination between plasma metabolite and hormone concentrations and sow BW, sow BF as well as pregnancy outcome (total litter weight at birth, LW).

Variables: dpc, days post coitum; BW, body weight; BF, back fat thickness; LW, total litter weight at birth. Concentrations: C, total cholesterol; CS, cortisol; G, glucose; Gg/I, glucagon to insulin ratio; I, insulin; I/G, insulin to glucose ratio; IGF, insulin like growth factor-I; LDLC, low density lipoprotein cholesterol; NEFA, non-esterified fatty acid; P4, progesterone; SP, serum protein.