Effects of Glyphosate-Resistant Genetically Modified Soybean on Blood Biochemical Indexes, Hepatopancreatic Antioxidant Capacity and Tissue Morphology of Cyprinus carpio
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2022
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74
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Abstract
The juvenile carps (Cyprinus carpio) were fed diets with four protein sources (15% and 30% glyphosate-resistant genetically modified (GM) named GM 15 and GM 30, respectively, and 15% and 30% non-genetically modified (NGM) soybean named NGM 15 and NGM 30) for 180 days. Results showed that alkaline phosphatase (ALP) activity for the GM30 group was significantly lower than that of the NGM30 group. The activity of glutathione peroxidase (GSH-Px) in the hepatopancreas of carp for the GM30 group was significantly higher than that of the NGM15 group (P<0.05). And the content of malondialdehyde (MDA) for the GM30 group was higher than that of the NGM30 group during the whole culturing process (P<0.05). The activity of catalase (CAT) for the GM30 group was significantly lower than that of the NGM30 group during 60 days and 180 days (P<0.05). While no significant differences were observed in the growth indexes, organ indexes, and muscle nutritional components of carp among the four groups (P>0.05). This study indicates that it may aggravate the damage degree of intestinal epithelial cells of carp and more easily cause liver cell damage in the short term when the amount of GM soybean in the feeds was 30%. Therefore, higher glyphosate-resistant GM soybean may have adverse effects on the carp's serum, intestinal, and hepatopancreas and considerably reduce the hepatopancreatic carp's antioxidant capacity.
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Glyphosate-resistant genetically modified soybean, Cyprinus carpio, biochemical indexes, antioxidant capacity, tissue morphology
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16 pages
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The Israeli Journal of Aquaculture - Bamidgeh
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