Table 1 Information on phenotypic characters and histological observation of precocious E.sinensis
Ratio of abdominal sternite length | No. of individuals | Average weight | Average hepatopancreas index | Average gonad index | Ovary developmental stage |
|---|---|---|---|---|---|
< 0.70 | 6 | 5.62 ± 0.72 g | 10.45 ± 1.56% | 0 | Not applicable |
0.71–0.85 | 9 | 13.72 ± 1.23 g | 7.16 ± 1.52% | 0.16 ± 0.09% | Major growth stage I |
0.86–0.99 | 9 | 19.47 ± 4.01 g | 6.03 ± 1.70% | 0.34 ± 0.10% | Major growth stage II |
≥1.0 | 6 | 40.90 ± 1.68 g | 5.40 ± 0.98% | 7.59 ± 1.07% | Sexually Mature stage |