The Company of Biologists

Table 1.

Sample size, body mass and aerobic performance means (± s.e.m.) for each of the two groups at 5 weeks of age and the four groups at 13 weeks of age

	5 weeks of age								13 weeks of age
Birth site	N	Body mass	V̇_O₂max hypoxia	V̇_O₂max normoxia	Acclimation site	N	Body mass	V̇_O₂max hypoxia	V̇_O₂max normoxia
Low	20	18.03±0.74	3.31±0.11	3.98±0.28	Low	10	22.78±0.86	3.98±0.17	4.05±0.41
					High	10	21.86±0.86	5.32±0.17	8.64±0.40
High	19	17.38±0.50	4.54±0.11	6.85±0.28	Low	6	21.73±1.11	4.31±0.22	4.89±0.52
					High	13	21.86±0.75	4.69±0.16	6.71±0.37

	5 weeks of age								13 weeks of age
Birth site	N	Body mass	V̇_O₂max hypoxia	V̇_O₂max normoxia	Acclimation site	N	Body mass	V̇_O₂max hypoxia	V̇_O₂max normoxia
Low	20	18.03±0.74	3.31±0.11	3.98±0.28	Low	10	22.78±0.86	3.98±0.17	4.05±0.41
					High	10	21.86±0.86	5.32±0.17	8.64±0.40
High	19	17.38±0.50	4.54±0.11	6.85±0.28	Low	6	21.73±1.11	4.31±0.22	4.89±0.52
					High	13	21.86±0.75	4.69±0.16	6.71±0.37

See Fig. 1 for experimental design. Body mass is given in g, and V̇_O₂max is given in ml O₂ min^–1. Aerobic performance values are body mass corrected

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