Table 1.

Differences in body mass and markers of the adult oxidative balance between non-breeding male and female Canaries

Parameter	Mean ± SE females	Mean ± SE males
Body mass (g)	19.37 ± 0.2	17.90 ± 0.2
Protein carbonyls (nmol/mg proteins)	3.00 ± 0.20	0.40 ± 004
NO (mmol/L)	0.004 ± 0.0002	0.006 ± 0.0006
GPX (µmol NADPH/ mg prot/min)	0.009 ± 0.0002	0.003 ± 0.0003
CAT (µmol H2O2/ mg prot/min)	0.15 ± 0.008	0.25 ± 0.02
SOD (U/mg prot/min)	0.27 ± 0.009	1.03 ± 0.04
GSH/GSSG (each in µmol/ g fresh weight)	4.43 ± 0.37	2.51 ± 0.32