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Ovarian maturation stages of the mud crab Scylla serrata

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Date
2007
Author
Quinitio, Emilia T.
de Pedro, Jennette
Parado-Estepa, Fe Dolores
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179
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Abstract
Ovarian maturation in adult wild-sourced and pond-grown Scylla serrata (Forsskål) was determined based on gross morphology and histological appearance. There were no significant differences noted in the histological features of both wild and pond-reared S. serrata females. Ovarian maturation was classified into five stages: immature, early maturing, late maturing, fully mature and spent. The immature ovaries are thin and translucent to off white and contain oogonia, primary oocytes with large nuclei. The follicle cells were found around the periphery of the lobes and an area among groups of oogonia and oocytes. The follicle cells gradually enclosed the oocytes. The early-maturing ovaries were yellow and small yolk globules started to appear in larger oocytes. In late-maturing ovaries, the colour became light orange and lobules were apparent. Yolk globules occurred in the cytoplasm with larger globular inclusions towards the periphery, while follicle cells were hardly recognizable. Fully mature ovaries were orange to deep orange and had swollen lobules. Large yolk globules were apparent in the entire cytoplasm. Follicle cells were hardly seen. Spent ovaries were similar to the early-maturing and late-maturing stage in partially spawned females. The ovarian development was correlated closely to the gonadosomatic index, oocyte diameter, and ovarian histology. The classification of ovarian maturation provides baseline information for further studies on reproductive biology. Likewise, the information provides a guide for broodstock management in the hatchery.
URI
http://hdl.handle.net/10862/2069
Suggested Citation
Quinitio, E. T., de Pedro, J., & Parado-Estepa, F. D. (2007). Ovarian maturation stages of the mud crab Scylla serrata. Aquaculture Research, 38(14), 1434-1441. https://doi.org/10.1111/j.1365-2109.2007.01650.x 
DOI
10.1111/j.1365-2109.2007.01650.x
Subject
bottom culture ASFA; breeding stock ASFA; classification ASFA; crustacean culture ASFA; cytoplasm ASFA; developmental stages ASFA; embryonic development ASFA; mud ASFA; sexual maturity ASFA; Decapoda AGROVOC; Scylla serrata AGROVOC
Taxonomic term
Scylla serrata GBIF
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