TABLE 3.

Plasma metabolites in fasting elephant seals¹

	Breeding females (n = 72)		Breeding males (n = 62)		Developing pups (n = 68)
	Early	Late	Early	Late	Early	Late
Glucose, mmol/L	7.94 ± 0.11	7.72 ± 0.86	7.73 ± 0.41	7.92 ± 0.52	8.61 ± 0.42	8.37 ± 0.20
βHB, μmol/L	264 ± 24*	345 ± 40*	234 ± 11*	365 ± 12*	267 ± 57*	598 ± 113*
BUN, mmol/L	8.7 ± 0.9	8.0 ± 0.7	10.2 ± 0.3	10.5 ± 0.3	4.9 ± 0.2	2.8 ± 0.1*

¹Data were compiled from references 12, 24–27, 32–34, 36, 37, 41, 50 and D. Crocker, unpublished data. BUN, blood urea nitrogen; βHB, β-hydroxybutyrate.