Evaluation of suitable rearing water temperature for growth of red-spotted grouper (Epinephelus akaara) ♀ Ⅹ giant grouper (E. lanceolatus) ♂

Title
Evaluation of suitable rearing water temperature for growth of red-spotted grouper (Epinephelus akaara) ♀ Ⅹ giant grouper (E. lanceolatus) ♂
Author(s)
노충환; 윤낙진; 최문정; 김근식; 윤성진
KIOST Author(s)
Noh, Choong Hwan(노충환)Choi, Munjeong(최문정)
Publication Year
2018-11-02
Abstract
As a part of an effort to evaluate the utility of the hybrid between two groupers with distinct habitat water temperatures in the aquaculture industry, we compared the growth of red-spotted grouper (Epinephelus akaara) ♀Ⅹgiant grouper (E. lanceolatus) ♂ (RGGG) with the maternal fish species (red-spotted grouper, RG) and searched for the optimal rearing water temperatures for rapid growth. Starting from three months after hatching, RGGG and RG juveniles mass-produced at commercial hatchery were raised in small net cages for eight weeks at four different rearing water temperatures, which were maintained constantly at 19℃, 23℃, 27℃ and 31℃. The survival rate of RGGG in the 31℃ temperature group was 100% excluding the five individuals eliminated by cannibalism. lanceolatus) ♂ (RGGG) with the maternal fish species (red-spotted grouper, RG) and searched for the optimal rearing water temperatures for rapid growth. Starting from three months after hatching, RGGG and RG juveniles mass-produced at commercial hatchery were raised in small net cages for eight weeks at four different rearing water temperatures, which were maintained constantly at 19℃, 23℃, 27℃ and 31℃. The survival rate of RGGG in the 31℃ temperature group was 100% excluding the five individuals eliminated by cannibalism.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/22912
Bibliographic Citation
한국수산과학회 학술대회, pp.291, 2018
Publisher
한국수산과학회
Type
Conference
Language
English
Publisher
한국수산과학회
Related Researcher
Research Interests

Fish genetics and breeding,Living modified organism,Sbtropical mariculture,어류유전육종,어류형질전환,아열대어류양식

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