Table 5
Mean and confidence interval (α = 0.05) of weight growth rates bytesting period: Pp: Palmaria palmata, Ld: Laminaria digitata, Ui: Ulva intestinalis, Cr: Ceramnium rubrum, Pp25 − Ld75: a diet composed of 25% P. palmata and 75% L. digitata. Pp75%: diet consisting of 75% of the amount of P. palmata consumed when supplied ad libitum. For each season, diets that do not share a letter significantly differ (ANOVA and SNK tests, p < 0.05).
| Weight growth rate (% d−1) | ||||
|---|---|---|---|---|
| E1 (Winter) | E2 (Spring) | E3 (Summer) | E4 (Autumn) | |
| Palmaria palmata | 1.57 ± 0.06a | 2.20 ± 0.08a | 1.52 ± 0.08a | 1.71 ± 0.06a,c,d |
| Pp75 − Ld25 | 1.50 ± 0.04a,b | 2.05 ± 0.07a | 1.52 ± 0.11a | 1.61 ± 0.01ac |
| Pp50 − Ld50 | 1.41 ± 0.09b,c | 1.85 ± 0.06b | 1.31 ± 0.13a | 1.45 ± 0.04a |
| Pp25 − Ld75 | 1.22 ± 0.11c | 1.57 ± 0.02c | 1.23 ± 0.12b | 1.31 ± 0.05b |
| Laminaria digitata | 0.85 ± 0.13d | 0.87 ± 0.08d | 1.04 ± 0.07b,c | 1.16 ± 0.05b |
| Ulva intestinalis (frozen) | 0.33 ± 0.07e | 0.80 ± 0.10d | ||
| Ulva intestinalis (fresh) | 1.54 ± 0.04c | 0.89 ± 0.04c | ||
| Pp50 − Ui (frozen50) | 1.27 ± 0.03c | |||
| Ld50 −Ui(frozen50) | 0.77 ± 0.10f | |||
| Pp33 − Ld33 − Ui(frozen33) | 1.29 ± 0.04c | |||
| Chondrus crispus | 0.69 ± 0.06d | |||
| Chondruscrispus(cultivated) | 0.79 ± 0.20d | |||
| Pp50 −Ui(fresh50) | 1.47 ± 0.09a | |||
| Porphyra umbilicalis | 0.94 ± 0.06c | |||
| Ceramium rubrum | 0.94 ± 0.15e | |||
| Ceramium rubrum (cultivated) | 1.88 ± 0.10cd | |||
| Pp50 − Cr(cultivated50) | 1.93 ± 0.05d | |||
| Pp50 | 0.96 ± 0.05c | |||
| Pp75 | 1.56 ± 0.07a,c | |||
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