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Table 3
Quarterly mortality rate for each diet by testing 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.
| Mortality rate (%) | ||||
|---|---|---|---|---|
| E1 (Winter) | E2 (Spring) | E3 (Summer) | E4 (Autumn) | |
| Palmaria palmata | 0 | 0 | 0 | 1 |
| Pp75 − Ld25 | 4 | 0 | 1 | 0 |
| Pp50 − Ld50 | 0 | 1 | 1 | 0 |
| Pp25 − Ld75 | 0 | 0 | 0 | 1 |
| Laminaria digitata | 0 | 1 | 0 | 0 |
| Ulva intestinalis (frozen) | 4 | 2 | ||
| Ulva intestinalis (fresh) | 1 | 1 | ||
| Pp50 −Ui(frozen50) | 1 | |||
| Ld50 −Ui(frozen50) | 1 | |||
| Pp33 − Ld33–Ui (frozen33) | 2 | |||
| Chondrus crispus | 0 | |||
| Chondruscrispus(cultivated) | 2 | |||
| Pp50 − Ui(fresh50) | 1 | |||
| Porphyra umbilicalis | 1 | |||
| Ceramium rubrum | 1 | |||
| Ceramium rubrum (cultivated) | 0 | |||
| Pp50 − Cr(cultivated50) | 1 | |||
| Pp50 | 1 | |||
| Pp75 | 1 | |||
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