Skip to main content

Table 5 Energy differentials during larval development of the clam Ruditapes decussatus reared under three levels of nutrition: starvation and two mono-specific diets (Isochrysis aff galbana = T-iso and Chaetoceros calcitrans = C.cal)

From: Biochemical compounds’ dynamics during larval development of the carpet-shell clam Ruditapes decussatus (Linnaeus, 1758): effects of mono-specific diets and starvation

Food regime Days after fertilization Energy differentials (KJ ind−1)
Proteins Total lipids Carbohydrates Total energetic
Starvation 0–2 0.01 ± 0.00 0.03 ± 0.00 0.06 ± 0.00 0.04 ± 0.00
2–5 0.11 ± 0.03 0.00 ± 0.03 0.01 ± 0.02 0.09 ± 0.07
5–8 0.12 ± 0.11 0.06 ± 0.05 0.03 ± 0.00 0.21 ± 0.10
8–14 0.16 ± 0.13 0.10 ± 0.06 0.04 ± 0.01 0.29 ± 0.09
14–19 0.04 ± 0.03 0.04 ± 0.04 0.01 ± 0.00 0.09 ± 0.06
19–23 0.04 ± 0.02 0.00 ± 0.03 0.00 ± 0.01 0.04 ± 0.05
T-iso 0–2 0.01 ± 0.00 0.03 ± 0.00 0.06 ± 0.00 0.04 ± 0.00
2–5 0.73 ± 0.25 0.63 ± 0.07 0.21 ± 0.01 1.57 ± 0.20
5–8 0.53 ± 0.46 1.27 ± 0.09 0.31 ± 0.01 2.12 ± 0.50
8–14 0.30 ± 0.46 0.40 ± 0.07 0.08 ± 0.01 0.78 ± 0.41
14–19 2.01 ± 1.23 2.77 ± 0.97 0.12 ± 0.16 4.90 ± 1.82
19–23 1.24 ± 1.08 1.17 ± 0.79 0.14 ± 0.24 2.54 ± 1.65
C.cal 0–2 0.01 ± 0.00 0.03 ± 0.00 0.06 ± 0.00 0.04 ± 0.00
2–5 0.40 ± 0.04 0.50 ± 0.14 0.26 ± 0.01 1.17 ± 0.16
5–8 0.16 ± 0.08 0.87 ± 0.11 0.01 ± 0.01 0.73 ± 0.18
8–14 0.74 ± 0.15 0.23 ± 0.30 0.03 ± 0.02 0.94 ± 0.33
14–19 0.20 ± 0.13 0.07 ± 0.47 0.24 ± 0.19 0.50 ± 0.79
19–23 0.11 ± 0.10 0.44 ± 0.08 0.31 ± 0.23 0.85 ± 0.04
  1. The increments represent the difference with the preceding stage
  2. The values in bold type are negative