Table 5.
Parameters related with the development of the gonad of gilthead seabream at end of the second reproductive cycle/beginning of the third reproductive cycle.
| Months | Testicular stages | Ovarian stages | GSI (%) |
Ovarian ratio (%) |
Ovarian cell diameter means (μm) |
Ovarian nuclear diameter means (μm) |
Acidophilic granulocytes (%) |
| October | No further development | 0.82 ± 0.10 | 97.9 ± 0.4 | 58.6 ± 2.0 | 28.2 ± 1.1 | 3.1 ± 0.7 | |
| No further development | Growth: vitellogenic oocytes at secondary yolk vesicle and tertiary yolk vesicle stages | 101.2 ± 5.7 | 51.2 ± 2.4 | ||||
| November | 1.72 ± 0.13 | ||||||
| Spermatogenesis | Atretic follicles Oogonia Pre-perinuclear oocytes Early and late perinuclear oocytes Vitellogenic oocytes at yolk vesicle stage |
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