Table 2.

Cyto a contents and estimated cytochrome rates at rest for liver and heart in allometric series

Animal	Wt, kg	Resting Heart MV̇O2, μmol O2•min−1•g wet wt−1	Resting Liver MV̇O2, μmol O2•min−1•g wet wt−1	Heart Cyto a content (n), nmol/g wet wt	Liver Cyto a Content (n), nmol/g wet wt	Heart Cyto a Turnover, μmol O2•nmol cyto a−1•min−1	Liver Cyto a Turnover, μmol O2•nmol cyto a−1•min−1	Heart Relative Metabolic Stress	Liver Relative Metabolic Stress
Mouse	0.02	14a	5.6b	35.2 ± 1.0 (3)	24.7 ± 3.0 (3)	0.4	0.22	1.2	0.9
Rabbit	2.5	4.5c	2.0d	33.2 ± 0.6 (4)	12.4 ± 1.6 (4)	0.14	0.15	0.4	1.2
Pig	50	2e	1.2b	31 ± 0.5 (5)	9.8 ± 0.7 (5)	0.07	0.12	0.2	1.2

Cytochrome turnover×100/cytochrome content; References:

^a(47; 91).

^b(69).

^c(88).

^d(58).

^e(55).