Dosages of thyroxine supplementation  (μg/g BW) GonadalSomaticIndex(GSI)
Premature Mature
0.00
0.05
0.10
0.15
0.98  ± 0.07a
0.99  ± 0.05a
0.97  ± 0.11a
1.00  ± 0.06a
3.30  ± 0.81a
3.48  ± 0.69a
4.19  ± 0.09a
4.16  ± 0.52a
Same superscript in the same column indicate a nonsignificant different (P>0.05)
Table 4: Gonadal somatic index (GSI) at different follicle development stages of female mud crabs (Scylla serrata) supplemented with thyroxine.
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