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. 2011 Feb 11;181(3):311–333. doi: 10.1007/s00360-011-0554-6

Fig. 4.

Fig. 4

Time-dependent changes are present in Hb-oxygen-binding affinity (P50 black circles) but not in oxygen content (Inline graphic dark gray squares) of trout (O. mykiss). This increase in oxygen-binding affinity (decrease in P50) takes place due to reduction of erythrocyte NTP concentration, without an overall increase in oxygen content (modified from Soivio et al. 1980)