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Turkish Journal of Fisheries and Aquatic Sciences 2020, Vol 20, Num, 5     (Pages: 387-400)

A Study on Polyculture of Oyster (Crassostrea gigas), Sea Squirt (Halocynthia roretzi) and Sea Cucumber (Apostichopus japonicus) under a Hanging Culture System

Young Dae Kim 1 ,Yun Kyung Shin 1 ,Mi Seon Park 1 ,Hee Jung Lee 1 ,Jun Wook Hur 2 ,Myoung Ae Park 1 ,Yong Hyun Do 1 ,Khawaja Muhammad Imran Bashir 3-4 ,Jae-Suk Choi 4-5

1 South East Sea Fisheries Research Institute, National Institute of Fisheries Sciences, Tongyoung-si, Gyeongsangnamdo, 53085, Republic of Korea
2 Bio-Monitoring Center, B-dong, 325, Sejong Business Center, Garam-ro, Sejong-si, 30121, Republic of Korea
3 German Engineering R&D Center for Life Science Technologies in Medicine and Environment, 31, Gwahaksandan 1- ro, 60 beon-gil, Gangseo-gu, Busan, 46742, Republic of Korea
4 Seafood Research Center, IACF, Silla University, 606, Advanced Seafood Processing Complex, Wonyang-ro, Amnamdong, Seo-gu, Busan, 49277, Republic of Korea
5 Major in Food Biotechnology, Division of Bioindustry, College of Medical and Life Sciences, Silla University, Busan, 46958, Republic of Korea
DOI : 10.4194/1303-2712-v20_5_07 Viewed : 76 - Downloaded : 98 This study aimed to develop a novel polyculture technology for sea cucumber using seabed under hanging culture farms of oyster and sea squirt. The survival, growth and sheltering rates of sea cucumber seedlings were determined. The habitation rate of sea cucumber was 20% with 20.8 - 31.0 animals per shelter. The density was calculated to be 3 animals per m2 (m2 × 3 × 900 = 2,700 animals), which shows that approximate 2,000 kg of sea cucumbers could be produced from 1 ha (10,000 m2 × 200 g; when one individual grows every m2). Even though seabed under the hanging culture farms is muddy and not suitable for rearing sea cucumbers, the results of this study showed that polyculture of sea cucumber is possible using the oyster and sea squirt hanging culture farms. Therefore, the method of utilizing the bottom surface in a hairstyling farm is proposed as a new aquaculture model for sea cucumber farming. The results of this study could contribute to improve the culturing environment of sea cucumbers and could help to increase production and capital generation from the aquaculture farms. Keywords : Aquaculture, Hanging culture system, Polyculture, Sea cucumber