hemoglobin content , plasma and red cell levels of chloride and magnesium and molar ion : hemoglobin ratios were examined in trout acclimatized to eight combinations of two treatment levels of temperature ( 5 , 20 degrees c ) , o2 availability ( less than or equal to 30 % , greater than or equal to 75 % saturation ) and photoperiod ( 16l:8d , 8l:16d ) .
C0014792
red cell
C0019046
hemoglobin