Table 3.05 - Oxygen Carrying Capacity and Half-Saturation Oxygen Pressure of Various Animal Species' Bloods.
| species | O2 capacity (ml O2/100ml blood) | P50 (mm Hg) | maternal | fetal | maternal | fetal | mat. - fetal |
|---|---|---|---|---|---|
| sheep* | 15 | 17 | 34 | 17 | 17 |
| goat | 13 | 12 | 30 | 19 | 11 |
| guinea pig | 16 | 16 | 30 | 19 | 11 |
| cow | 15 | 12 | 31 | 22 | 9 |
| seal | 32 | 28 | 29 | 21 | 8 |
| elephant | 20 | 17 | 23 | 17 | 6 |
| camel | 15 | 17 | 21 | 16 | 5 |
| rabbit | 15 | 14 | 31 | 27 | 4 |
| human | 15 | 22 | 26 | 22 | 4 |
| llama | 14 | 19 | 21 | 18 | 3 |
| * hemoglobin (g/100ml): maternal, 10.2; fetal, 12.0. arterial PO2 (mm Hg): maternal, 95; fetal, 15.0. placental blood flow rate (ml/min): maternal = fetal, 350. capillary volume = 10 ml. | |||||