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Fig. 5. Effect of hypoxic preconditioning (5 min of severe hypoxia) on the recovery
of maximum cardiac performance of in situ rainbow trout hearts
exposed to 30 min. of severe hypoxia (N=78 in each group). (A)
Comparison of maximum cardiac performance at
max1 and
max2. (B) The percentage
change in cardiac performance,
max2 relative to
max1.
*Significant difference (P<0.05), as determined using
repeated-measures ANOVA. Dissimilar letters represent a significant difference
(P<0.05) between treatment groups, as determined using one-way
ANOVA. Values are presented as means ± S.E.M.