다양한 사료첨가제 공급에 따른 전복의 성장과 스트레스에 대한 내성 효과 (Effects of the Various Dietary Additives on Growth and Tolerance of Abalone (Haliotis discus hannai) against Stresses)

서지정보

· 발행기관 : 한국양식학회
· 수록지 정보 : 한국양식학회지 / 21권 / 4호 / 309 ~ 316페이지
· 저자명 : 조성환, 김충일, 조영진, 이범석, 박정은, 유진형, 이상민

초록

Effects of the various dietary additives on growth and tolerance of abalone Haliotis discus hannai to the stresses
were determined in the 16-week feeding trial. Seventy juvenile (an initial body weight of 4.2 g) abalone per container
were randomly distributed into 21, 50 L plastic rectangular containers each. The six kinds of experimental
diets were prepared: control (CON) with no additive, by-product of green tea (BPG), extract of figs (EF), extract
of green tea (EG), commercially available product of Hearok (PH), and Haematococcus (HC). In addition, dry sea
tangle (ST) was prepared to compare the efficiency of the experimental diets. Fishmeal, soybean meal and shrimp
head meal were used as the protein source, and dextrin, sea tangle powder and wheat flour, and soybean oil and
fish oil were used as the carbohydrate and lipid sources, respectively in the experimental diets. The experimental
diets were fed to abalone once a day at a satiation level with a little leftover. The feeding trial lasted for 16 weeks.
At the end of the 16-week feeding trial, abalone was exposed to the different types of stresses (air exposure, and
sudden changes of rearing temperature and salinity). Survival of abalone fed the sea tangle was highest. However,
weight gain of abalone fed the EF, EG and PH diets was significantly (P<0.05) higher than that of abalone fed
the BPG diet or dry sea tangle. Shell length of abalone fed the all experimental diets was significantly (P<0.05)
higher than that of abalone fed the dry sea tangle. Accumulated mortality of abalone fed the sea tangle was low
when exposed to the different types of stresses. Also, relatively low mortality was achieved in abalone fed the HC
and EF diets. In considering these results, it can be concluded that the various sources of additives is effective to
improve production of abalone, and Haematococcus and extract of figs can be considered as dietary additives to
improve resistance of abalone against the different types of stresses.

영어초록

Effects of the various dietary additives on growth and tolerance of abalone Haliotis discus hannai to the stresses
were determined in the 16-week feeding trial. Seventy juvenile (an initial body weight of 4.2 g) abalone per container
were randomly distributed into 21, 50 L plastic rectangular containers each. The six kinds of experimental
diets were prepared: control (CON) with no additive, by-product of green tea (BPG), extract of figs (EF), extract
of green tea (EG), commercially available product of Hearok (PH), and Haematococcus (HC). In addition, dry sea
tangle (ST) was prepared to compare the efficiency of the experimental diets. Fishmeal, soybean meal and shrimp
head meal were used as the protein source, and dextrin, sea tangle powder and wheat flour, and soybean oil and
fish oil were used as the carbohydrate and lipid sources, respectively in the experimental diets. The experimental
diets were fed to abalone once a day at a satiation level with a little leftover. The feeding trial lasted for 16 weeks.
At the end of the 16-week feeding trial, abalone was exposed to the different types of stresses (air exposure, and
sudden changes of rearing temperature and salinity). Survival of abalone fed the sea tangle was highest. However,
weight gain of abalone fed the EF, EG and PH diets was significantly (P<0.05) higher than that of abalone fed
the BPG diet or dry sea tangle. Shell length of abalone fed the all experimental diets was significantly (P<0.05)
higher than that of abalone fed the dry sea tangle. Accumulated mortality of abalone fed the sea tangle was low
when exposed to the different types of stresses. Also, relatively low mortality was achieved in abalone fed the HC
and EF diets. In considering these results, it can be concluded that the various sources of additives is effective to
improve production of abalone, and Haematococcus and extract of figs can be considered as dietary additives to
improve resistance of abalone against the different types of stresses.

참고자료

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