Fig. 2From: Analysis of pH and electrolytes in blood and ruminal fluid, including kidney function tests, in sheep undergoing long-term surgical proceduresBeta-hydroxybutyric acid (ß-HB) in the blood of sheep during 9 h of anaesthesia. Data on β-HB in the blood of sheep during 9 h of anaesthesia, grey area = reference range [39], * significant difference to hour one; hour 5 P = 0.014, hour 6 P = 0.014, hour 7 P = 0.018, hour 8 P = 0.023Back to article page