Morphological changes in the development of the ovary in the eyestalk ablated estuarine crab, Scylla serrata (forskal)

S. John, P. Sivadas


The morphological changes in the development of the ovary as a result of eyestalk ablation have been studied in the edible crab, Scylla serrata (Forskal) in the laboratory condition. Changes in four stages in the development of the ovary have been described. They are immature, maturing, ripe and spent. It was seen that eyestalk ablation in Scylla serrata (Forskal) would speed up the maturation of the ovary. In order to arrive at this conclusion, the eyestalks of the female were ablated. A piece of the ovary was taken out by making a small window on the carapace for knowing the condition of the ovary at the start of the experiment and another piece of the ovary of the same animal was again taken for biopsy at the end of the experiment


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