Induction of a New Hybrid between Haliotis gigantea Gmelin (♀) and H. discus discus Reeve (♂)
2007
An, H.S. (Biotechnology Research Center, National Fisheries Research and Development Institute, Busan, Republic of Korea) | Jee, Y.J. (Shellfish Genetics and Breeding Research Center, National Fisheries Research and Development Institute, Jeju, Republic of Korea) | Han, S.J. (Shellfish Research Center, National Fisheries Research and Development Institute, Namhae, Republic of Korea) | Kim, B.L. (Crustacean Research Center, Weat Sea Fisheries Institute, National Fisheries Research and Development Institute, Taean, Republic of Korea) | Kim, E.M. (Biotechnology Research Center, National Fisheries Research and Development Institute, Busan, Republic of Korea) | Park, I.S. (Korea Maritime University, Busan, Republic of Korea), E-mail: [email protected]
Viable interspecific hybrids between the abalone Haliotis gigantea Gmelin and Haliotis discus discus Reeve were produced by artificially inseminating H. gigantea eggs with H. discus discus sperm. Past attempts to perform this reciprocal cross have never been successful. The fertilizing ability and hatchability of the hybrids were compared to those of the parental crosses. The hybrid had higher initial mortality at 100 days post-hatch. The shell length growth rate and body weight of the hybrids were significantly higher than those of the parental genotypes at 10 and 13 months post-hatch (P less than 0.05).
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