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명정구,Myeong, Jeong-Gu 한국과학기술단체총연합회 2000 과학과 기술 Vol.33 No.2
바다의 자원고갈문제는 갈수록 심각해져 21세기 국내 수산물 수급에 차질을 예고하고 있다. 20여년 전만 해도 꿈으로나 그려보던 바다목장이나 해양목장개발이 절실해졌다. 바다목장연구는 해양수산부 용역사업으로 환경관리개선, 어장조성기술, 자원증대기술, 바다목장의 어용관리분야 등 4개 분야로 나누어 1998년 4월부터 2004년 3월까지 6년계획으로 추진하게 된다.
양식, 방류 및 자연산 감성돔 1년어의 소화기관 및 체성분 비교
지승철 ( Seung Cheol Ji ),유진형 ( Jin Hyung Yoo ),정관식 ( Gwan Sik Jeong ),명정구 ( Jeong Gu Myeong ),이시우 ( Si Woo Lee ),고현정 ( Hyeon Jeong Go ) 한국수산과학회 2004 한국수산과학회지 Vol.37 No.6
N/A In order to evaluate adaptation to the environment in released fish, digestive organ and body composition were compared among 1-year old cultured (CUL), released (REL) and wild (WIL) Black Sea Bream, Acanthopagrus schlegeli. Hepatosomatic index (HSI) of the REL was significantly lower than those of the CUL and WIL fish, but intestine weight index (IWI) of REL was significantly higher than those of the CUL and WIL fish. There were no significant differences in stomach weight index (SWI) and condition factor (CF) among those different fish groups. The number of pyloric caeca of the REL and WIL fish were 4, but the 30% of CUL fish was 3 counts. The moisture content of whole body in the WIL fish was significantly higher than the CUL and REL fish, but significant lowest in the crude lipid of whole body. The content of moisture and crude protein of dorsal muscle were no significant differences among the CUL, REL and WIL fish, but crude lipid content of WIL fish was significantly lower than the CUL and REL fish. Moisture content of CUL fish in the liver was significantly lower than the REL and WIL fish, and crude lipid was significant lowest in the WIL fish. Amino acid content of dorsal muscle in the WIL fish was highest in the total amino acid, EAA and E/A ratio, and CUL fish was highest EAA and E/A ratio in liver. EPA content in dorsal muscle of WIL fish was lower than CUL and REL fish, and the REL fish was highest in DHA content of the fatty acid. EPA content in liver of WIL fish was lower than CUL and REL fish, and DHA content in REL and WIL fish was highest and lowest. Crude protein content of CUL and WIL fish in the scale was significantly higher than REL fish, but there were no significant differences in contents of crude lipid and ash. Ca and P of scale were formed most of mineral and content of P in CUL fish was significantly higher than those of REL and WIL fish. There were no significant differences in Mg, K, Na and S of scale, but CUL fish was significantly lower than REL fish in Cl. The results suggest that difference of digestive organs and body composition concluded it from differences of inhabitation environment and feed formulations.