Table 3.

Enzyme activities and myoglobin concentration in skeletal muscle of Weddell seals

Longissimus dorsiWeddell seal pectoralisHindlimbDog hindlimb
Citrate synthase (CS) 12.0±1.3 12.4±0.8 11.6±1.9 24.8±3.3 
β-hydroxyacyl Co A dehydrogenase (HAD) 48.5±9.0 38.9±7.5 67.6±11.0 16.6±2.8 
Lactate dehydrogenase (LDH) 563±89 739±66 331±75* 396±38 
CS:HAD 0.3 0.3 0.2 1.5 
Myoglobin 45.9±3.3 31.5±4.6 42.5±5.7 3.5 
Longissimus dorsiWeddell seal pectoralisHindlimbDog hindlimb
Citrate synthase (CS) 12.0±1.3 12.4±0.8 11.6±1.9 24.8±3.3 
β-hydroxyacyl Co A dehydrogenase (HAD) 48.5±9.0 38.9±7.5 67.6±11.0 16.6±2.8 
Lactate dehydrogenase (LDH) 563±89 739±66 331±75* 396±38 
CS:HAD 0.3 0.3 0.2 1.5 
Myoglobin 45.9±3.3 31.5±4.6 42.5±5.7 3.5 

Values are means ± S.E.M. *Significantly different from pectoralis; significantly different from the Weddell seal; significantly different from Longissimus dorsi and pectoralis. Enzyme activities are in μmol min g-1 wet mass of muscle.

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