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http://dx.doi.org/10.9710/kjm.2015.31.4.273

Morphological Sex Differentiation of the Abalone Haliotis discus hannai  

Kim, Hyejin (Department of Aqualife Medicine, Chonnam National University)
Jeon, Mi Ae (Department of Aqualife Medicine, Chonnam National University)
Choi, Ji Sung (Department of Aqualife Medicine, Chonnam National University)
Kim, Byeong Hak (South Sea Fisheries Research Institute, NIFS)
Son, Maeng Hyun (South Sea Fisheries Research Institute, NIFS)
Lee, Jung Sick (Department of Aqualife Medicine, Chonnam National University)
Publication Information
The Korean Journal of Malacology / v.31, no.4, 2015 , pp. 273-277 More about this Journal
Abstract
This study was conducted to provide the reproductive biological information and basic data on the artificial sex control of Haliotis discus hannai. The morphological sex differentiation process of H. discus hannai could be classified into following five phases: 1) formation of gonad outer membrane (FGOM) (${\leq}SL\;10.0{\pm}1.0mm$), 2) primordial germ cells (PGCs) appearance in the connective tissue between intestine and hepatopancreas (PAC), and formation of gonadal cavity (FGC) (SL $15.0{\pm}2.0mm$), 3) PGCs appearance in the epithelial layer of gonadal cavity (PAG) (SL $18.0{\pm}2.0mm$), 4) formation of gametogenic follicle and appearance of early oocytes and spermatogonia (FGOC) (SL $21.0{\pm}2.0mm$), 5) morphological sex differentiation (MSD) (${\geq}SL\;23.0{\pm}2.0mm$). From histological analysis sex differentiation rate in SL 24.1-25.0 mm of H. discus hannai was 90.0% and sex ratio (female : male) was 1:0.8.
Keywords
Haliotis discus hannai; sex differentiation;
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Times Cited By KSCI : 3  (Citation Analysis)
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