Mean values (± STD) for contents of total fatty acids and lipid fractions as well as unsaturation indices (UI) of the PLFA fraction in untreated zebrafish eggs and eggs treated with 2,4-DNP at 24, 30 and 48 hpf.

Values for 2,4-DNP treated eggs that were statistically significantly different from those for untreated eggs at the respective stage are marked with * (p < 0.05; Student’s t-test). Note that values for untreated eggs correspond to respective data presented in Fig 2 and are listed here for comparison. n = 3–4, with 50 eggs per n; hpf: hours post fertilization.