Effects of Dietary Vitamin C on Blood Chemistry and Nonspecific Immune Response of Juvenile Red Sea Bream, Pagrus major

Journal of the World Aquaculture Society - Tập 39 Số 6 - Trang 797-803 - 2008
Tongjun Ren1, Shunsuke Koshio2, Orhan Uyan2, Connie Fay Komilus2, Saichiro Yokoyama2, Manabu Ishikawa2, Md. Abdul Kader2
1Key Laboratory of Mariculture and Biotechnology, Ministry of Agriculture, Dalian Fisheries University, Dalian, 116023 China
2Laboratory of Aquatic Animal Nutrition, The United Graduate School of Agricultural Science, Kagoshima University, Shimoarata 4–50–20, Kagoshima 890–0056 Japan

Tóm tắt

Abstract A trial was conducted to determine the effect of ascorbyl‐2‐monophosphate Na/Ca (AMP‐Na/Ca) on blood chemistry and nonspecific immune response of red sea bream juveniles. Test diets with three levels of AsA (free, 107, and 325 mg/kg diet) were fed to juvenile red sea bream (36.0 ± 1.3 g) two times a day for 3 wk. There were no significant differences in hematocrit, glucose, and blood urea nitrogen. Total cholesterol and triglyceride in plasma of fish fed AsA‐free diet was significantly (P < 0.05) higher than that of fish fed two other diets. There were no significant differences in serum albumin, total bilirubin, and total serum protein. Glutamyl oxaloacetic transaminase in serum of fish fed diets containing 107 and 325 mg of AsA were significantly (P < 0.05) lower than that of fish fed AsA‐free diet. Serum lysozyme activity (LA) of fish fed diets containing 107 and 325 mg of AsA were significantly (P < 0.05) higher than that of fish fed AsA‐free diet. There was no significant difference in mucus LA. The results mentioned above demonstrated that AMP‐Na/Ca is a bioavailable AsA source for red sea bream juveniles. Supplement of more than 107 mg AsA/kg in diets improved blood chemistry and nonspecific immune function of red sea bream juveniles.

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Thông tin xuất bản

Journal of the World Aquaculture Society

Tập 39 Số 6

797-803

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