Table 1.

Normoxic ventilation and metabolism for unanaesthetized control and neonatal hypoxia rats

	Male		Female
	Control	Neonatal hypoxia	Control	Neonatal hypoxia
n	11	11	10	6
Age (days)	55 ± 1	56 ± 1	60 ± 0	60 ± 0
Mass (g)	210 ± 10	197 ± 7	189 ± 13	163 ± 5
fR (breaths min−1)	110 ± 7	110 ± 6	102 ± 8	96 ± 9
VT (ml (100 g)−1)	0.58 ± 0.03	0.67 ± 0.04	0.70 ± 0.05	0.69 ± 0.05
V˙E (ml min−1 (100 g)−1)	63.5 ± 4.4	73.7 ± 7.3	70.3 ± 5.7	65.1 ± 5.1
V˙CO2 (ml min−1 (100 g)−1)	1.85 ± 0.10	2.00 ± 0.16	1.90 ± 0.16	1.74 ± 0.12
V˙E/V˙CO2	35.0 ± 2.4	36.6 ± 1.6	37.5 ± 2.2	38.1 ± 3.1

Values are mean ±s.e.m. No significant differences were detected between control and neonatal hypoxia rats (all P > 0.05).