期刊
AQUACULTURE RESEARCH
卷 43, 期 10, 页码 1427-1438出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1365-2109.2011.02945.x
关键词
soybean meal; squid by-product; fermentation; fishmeal replacement; Paralichthys olivaceus
类别
资金
- Ministry of Education, Culture, Sports and Science and Technology (MONBUKAGUSHO), Japan
An experiment was carried out to evaluate fermented soybean meal and squid by-product blend (1:1) (FP) as replacement of fishmeal (FM) for Japanese flounder, Paralichthys olivaceus. Five isocaloric (19 kJ g-1) diets were prepared by replacing 0 (FP0), 12 (FP12), 24 (FP24), 36 (FP36) and 48% (FP48) FM protein with FP. Triplicate groups of juveniles (mean weight of 3.9 g) were delivered the test diets for 8 weeks in a flow-through sea water system. The results showed that there were no significant differences (P > 0.05) among the growth rates of fish fed FP0, FP12, FP24 and FP36 diets. Growth and nutrient utilization parameters were significantly reduced in fish fed FP48 diet. Although, whole body proximate composition of fish were not significantly affected by the dietary treatments compared to the control; methionine and phenylalanine contents were significantly decreased in FP48 group. Protein retention was also significantly decreased in the similar group of fish. Dietary treatments did not alter most of the plasma metabolites, while some of the health parameters were improved in the replacement groups. Results suggested that FP is a potential candidate for alternative protein ingredient in aquafeed and can replace 36% FM protein in the diet of Japanese flounder.
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