Suitability of genetically modified soybean meal in a dietary ingredient for common carp Cyprinus carpio
2010
Suharman, I., Tokyo Univ. of Marine Science and Technology (Japan) | Satoh, S. | Haga, Y. | Takeuchi, T. | Hirono, I. | Aoki, T.
The effect of genetically modified (GM) soybean meal (SBM) in a feed ingredient on growth performance of common carp was investigated in comparison to nonGM SBM. GM SBM was included at 34 and 48% in two experimental diets that were formulated with fish meal (FM) to obtain approximately 38% protein in diet. Two other experimental diets were formulated to contain the same levels of nonGM SBM. The diets were fed to juvenile common carp (22 g initial mean weight) for 12 weeks. The cauliflower mosaic virus (CaMV) 35S promoter fragment (205 base pairs) of the GM SBM was examined in fish muscle and blood samples at the twelfth week. From the twelfth week, the GM groups were fed with nonGM diets to determine the residual span of the transferred promoter fragment. There was no significant difference in growth and feed performance between GM and nonGM groups at two inclusion levels after 12 weeks. The CaMV 35S promoter fragment was not detected in fish muscles or blood receiving either level of GM SBM diet. The results demonstrated that the availability of GM SBM was similar to that of nonGM SBM and the GM SBM would be a suitable and safe ingredient in feed for common carp.
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