The effect of food availability, age or size on the RNA/DNA ratio of individually measured herring larvae: laboratory calibration


R N A / D N A ratios in individual herring (Clupea harengus) larvae (collected from Kiel Bay, Baltic Sea, in 1989) were measured and proved suitable for determining nutritional status. Significant differences between fed and starving larvae appeared after 3 to 4 d of food deprivation in larvae older than 10 d after hatching. The RNA/ D N A ratio showed an… (More)


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