Table 3. Pearson’s correlations of identified metabolites (variable importance in the projection value of > 1) from saliva samples for the gilts.

	Acetone	Creatine phosphate	Dimethylamine	Glutamate	Lactate	Leucine	Proline	Succinate	Valine
Acetone		0.84	−0.57	0.91	0.56	0.87	0.91	0.45	0.93
Creatine phosphate			−0.024	0.99	0.01	0.99*	0.54	−0.11	0.98
Dimethylamine				−0.18	−0.99**	−0.08	−0.86	−0.99 (p = 0.086)	−0.22
Glutamate					0.17	0.99 (p = 0.067)	0.67	0.05	0.99*
Lactate						0.07	0.85	0.99 (p = 0.078)	0.20
Leucine							0.58	−0.06	0.99 (p = 0.089)
Proline								0.78	0.69
Succinate									0.08
Valine

^*p < 0.05,

^**p < 0.01.