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KMID : 0381120080300020127
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Genes and Genomics
2008 Volume.30 No. 2 p.127 ~ p.131
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Morphometric Traits and Condition Indices in Artificially Induced Hybrids and Their Parental Species, Haliotis gigantean Gmelin (♀) and H. discus discus Reeve (♂)
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Park In-Seok
Hur Jun-Wook
Im Soo-Yeon
Seol Dong-Won
Hur Woo-June
Park Min-Ouk
An Hye-Suck
Kim Eun-Mi
Han Seok-Jung
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Abstract
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Morphometric traits, percent shell weight, percent cavity volume and condition index of 4-year-old induced hybrid abalone from female Haliotis gigantea Gmelin and male Haliotis discus discus Reeve were compared to those of the parental species. Apex height/shell height of the induced hybrid abalone was in between the average height of the parental species. The induced hybrid abalone shared three traits with the paternal species and two with the maternal species. After 4 years of growth, the condition index of the induced hybrids weresignificantly higher than that of either parental species (P < 0.05). Generally, induced hybrid abalone displayed an external morphology that was intermediate between the representative of both parental species. Haliotis gigantea and the induced hybrids had four respiratory pores, while H. discus discus had five.
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KEYWORD
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cavity volume, condition index, hybrids abalone, morphometric trait, shell weight
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