Arterial pO<sub>2</sub>, pCO<sub>2</sub> and sO<sub>2</sub> levels at 90 min post anaesthesia induction for different anaesthesia regimes (n = 5/group).

<p>Results are expressed as average ± standard deviation.</p><p>*Anaesthetised using Isoflurane in Oxygen;</p>†<p>Anaesthetised using Isoflurane in room air;</p>‡<p>Anaesthetised using Hypnorm/Hypnovel;</p>§<p>Anaesthetised using Ketamine/Xylazine.</p>