期刊
FISHERIES SCIENCE
卷 77, 期 1, 页码 119-128出版社
SPRINGER JAPAN KK
DOI: 10.1007/s12562-010-0312-9
关键词
Soybean meal; Scallop by-product; Fermentation; Fishmeal; Growth; Element composition; Pagrus major
类别
资金
- Ministry of Education, Culture, Sports, and Science and Technology (MONBUKAGUSHO), Japan
A feeding trial was conducted to evaluate the effect of fermented soybean meal and scallop by-product blend (3: 2) (FP) on the performance of juvenile red sea bream. Five isocaloric diets were prepared by replacing 0% (FP0), 15% (FP15), 30% (FP30), 45% (FP45), and 60% (FP60) fishmeal (FM) protein with FP, respectively. Triplicate groups of fish (initial mean weight 2.83 g) were fed the test diets for 45 days in a flowthrough seawater system. The results demonstrated that growth rates of fish fed FP0, FP15, and FP30 were similar, and significantly higher (P < 0.05) than those of FP45 and FP60. Nutrient utilization was significantly lower in FP60, with no differences found among the other groups. Dietary heavy-metal contents were affected by inclusion of FP, impacting on whole-body heavy-metal contents. In terms of oxidative stress, fish fed the FP30 diet were in the best condition, since this fish group showed the least oxidative-stressed condition as well as the highest tolerance against oxidation. In conclusion, the approach of utilizing this fermented mixture is promising and it could replace at least 30% FM protein in red sea bream diet without negative effects on performance, body composition or health of fish.
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