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전복 해상가두리 양식용 황동어망의 양성 효과Effect of cooper net on cultural performance of abalone, Haliotis discus hannai, in sea net cage

Other Titles
Effect of cooper net on cultural performance of abalone, Haliotis discus hannai, in sea net cage
Authors
오동훈조창흔정우건조상만
Issue Date
2021
Publisher
한국패류학회
Keywords
Abalone; Cooper net cage; Growth; Taste value; Antifouling
Citation
The Korean Journal of Malacology, v.37, no.4, pp 173 - 179
Pages
7
Indexed
KCI
Journal Title
The Korean Journal of Malacology
Volume
37
Number
4
Start Page
173
End Page
179
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/4394
ISSN
1225-3480
Abstract
To investigate the applicability on abalone culture, 14 brass nets were installed into sea net cages at Nowha-do and Gunnae-ri in Wando, Korea. No statistically significant growth was observed in shell size and weight but in fatness at the brass net. A significant decrease was observed in mortality only in Gunnae-ri, which geologically characterized the closed water features. No significant differences were observed in species and biomass in bio-fouling organisms on the surface of abalone shells between both net types and waters. All metal contents were negligible without differences between net types but significant increase of copper content in the meat from Gunnae-ri, which indicated the necessity of monitoring in copper dynamics especially when the brass net installed in closed waters. A significant increase of taste value in brass net abalone resulted from increases of Taurine in viscera and Arginine in meat. The improvement of fatness, mortality, and taste value indicated that the brass net could improve physiological function through improved water exchange from its antifouling properties. Despite the necessity of risk management on copper dynamics in closed waters, our results suggested that the brass net could be an alternative technique for abalone culture to increase cultural productivity.
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해양과학대학 > 양식생명과학과 > Journal Articles

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