Effects of different stocking densities on the growth performance and antioxidant capacity of Chinese mitten crab (Eriocheir sinensis) in rice crab culture system

Wang, Xin; Yao, Qi; Lei, Xin-yu; Zhang, Dongming; Wang, Sen; Wan, Ji-wu; Liu, Hongjian; Chen, Yuke; Zhao, Yunlong; Wang, Guiqin; Wang, Qiuju; Guo, Zhixin

doi:10.1007/s10499-021-00829-9

Cited by 8 publications

(6 citation statements)

References 22 publications

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“…Under oxidative stress, the excess ROS attacks lipids, inducing lipid peroxidation ( Yin et al, 2011 ). MDA is a final product of lipid peroxidation ( Wang et al, 2022a ). Hence, it is generally recognized that the content of MDA can reflect the level of oxidative damage in organisms ( Han et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Effects of stocking density on the growth performance, mitophagy, endocytosis and metabolism of Cherax quadricarinatus in integrated rice–crayfish farming systems

et al. 2022

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Red claw crayfish (Cherax quadricarinatus) is an economic freshwater shrimp with great commercial potential. However, the suitable stocking density of C. quadricarinatus is still unclear in integrated rice–crayfish farming system. Thus, this study aimed to investigate the effects of stocking density on growth performance, mitophagy, endocytosis and metabolism of C. quadricarinatus. The C. quadricarinatus was reared at low density (LD, 35.73 g/m2), middle density (MD, 71.46 g/m2) and high density (HD, 107.19 g/m2) in an integrated rice–crayfish farming system. After 90 days of farming, the growth performance of C. quadricarinatus significantly decreased in the MD and HD groups relative to that in the LD group. The HD treatment caused oxidative stress and lipid peroxidation at the end of the experiment in hepatopancreas. Transcriptome analysis showed that there were 1,531 DEGs (differently expressed genes) between the LD group and HD group, including 1,028 upregulated genes and 503 downregulated genes. KEGG (Kyoto Encyclopedia of Genes and Genomes) enrichment analysis indicated that the DEGs were significantly enriched in endocytosis and mitophagy pathways. Meanwhile, four lipid metabolism pathways, including biosynthesis of unsaturated fatty acids, fatty acid biosynthesis, glycerolipid metabolism and glycerophospholipid metabolism, exhibited an upregulated tendency in the HD group. In conclusion, our data showed that when the stocking density reached up to 207.15 g/m2 in HD group, the growth performance of C. quadricarinatus was significantly inhibited in this system. Meanwhile, the data indicated that C. quadricarinatus may respond to the stressful condition via activating antioxidant defense system, endocytosis, mitophagy and metabolism-related pathways in hepatopancreas.

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Section: Discussionmentioning

confidence: 99%

Effects of stocking density on the growth performance, mitophagy, endocytosis and metabolism of Cherax quadricarinatus in integrated rice–crayfish farming systems

et al. 2022

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“…2 Northwest A&F University Shenzhen Research Institute, Shenzhen 518000, Guangdong, China. 3 Chongqing Three Gorges Vocational College, Chongqing 404155, China. 4 Department of Chemical Engineering, Auburn University, Auburn, AL 36849, USA.…”

Section: Availability Of Data and Materialsmentioning

confidence: 99%

“…Compared with the traditional aquaculture model, rice-fish symbiosis, as an ecological and green planting and breeding model, is an effective measure to relieve the environmental stress from intensive aquaculture [1] and an integrated system to achieve production and environment sustainability [2]. Many practices have shown that the rice-fish coculture model possesses the advantages of "one water, dual use" and "one field, double harvesting" and can not only realize the rational utilization of resources and the maximization of economic benefits to obtain high-quality rice and fish, but also keep the environment from being polluted and damaged by the use of chemical fertilizers and pesticides in paddy fields and achieve the mutual benefit and win-win goal of rice and fish, benefit, and environment [3].…”

Section: Introductionmentioning

confidence: 99%

Rice flowering improves the muscle nutrient, intestinal microbiota diversity, and liver metabolism profiles of tilapia (Oreochromis niloticus) in rice-fish symbiosis

et al. 2022

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Background Rice-fish symbiosis, as an ecological and green aquaculture model, is an effective measure to relieve the environmental stress from intensive aquaculture. Compared with traditional aquaculture, the altered rearing pattern and environment will make differences in muscle nutrient and quality, intestinal microbiota, body metabolism, and even disease resistance in fish. Results To investigate this, we explored the differences between rice-tilapia (aRT and bRT) and tank-tilapia (aTT and bTT) models at the periods before and after rice flowering using 16S rRNA sequencing and untargeted metabolomics. The results showed that compared with tilapia reared in the tank model, the fish body length and weight, the muscle total umami amino acid, and monounsaturated fatty acid content were obviously higher in the rice-fish model, especially after rice flowering. Compared with other groups, the intestinal microbiota diversity of fish in the bRT group was significantly higher; the dominant microbiota was Bacteroidetes and Firmicutes at the phylum level, Bacteroides and Turicibacter at the genus level, and the relative abundances of Gram-negative, potentially pathogenic, and stress-tolerant bacteria were the highest, lowest, and highest, respectively. Besides, the differential metabolite analysis indicated that rice-fish symbiosis improved the metabolic profiles and modulated the metabolic pathways in tilapia. Moreover, the correlation analysis of 16S sequencing and metabolomics showed that Bacteroides showed a positive correlation with many metabolites related to amino acid, fatty acid, and lipid metabolism. Conclusions In summary, rice flowering improves the tilapia muscle nutrient, intestinal microbiota diversity, and disease resistance and modulates the host metabolism to acclimatize the comprehensive environment in rice-fish symbiosis. Specifically, rice flowering alters the microbiota abundance involved in amino acid, fatty acid, and lipid metabolism, resulting in improving the muscle nutrient and quality through the crosstalk of gut microbial and host metabolism. Our study will provide not only new insight into the gut microbiota-metabolism-phenotype axis, but also strong support for the promotion and application of rice-fish symbiosis in aquaculture.

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“…Li's research also showed that high cultural density destroyed the stability of the community structure of crab ponds and adversely affected the water environment [28]. Wang Xing et al [29] studied the effects of different feeding densities on the growth performance and antioxidant capacity of E. sinensis, and they found that the optimal stocking density of E. sinensis in the rice crab culture system is 0.4 individuals/m 2 . This is consistent with this research.…”

Section: The Effect Of the Surface Area Of The Ponds On The Growth Of...mentioning

confidence: 99%

Effect of Water Area and Waterweed Coverage on the Growth of Pond-Reared Eriocheir sinensis

Tang

Peng

Zhao

et al. 2022

Fishes

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Water area and waterweed coverage are the key environmental factors for ecological breeding of Eriocheir sinensis in ponds. In order to explore the effects of above two factors on the growth of E. sinensis, three groups of experiments were set up: low coverage small area (C1S1), high coverage small area (C2S1), and high coverage large area (C2S2), and water environmental factors and the growth of E. sinensis were monitored. The results showed that the dissolved oxygen of ponds with different waterweed coverage was significantly different (p < 0.05), and the phosphate in ponds changed significantly from July to October (p < 0.05). The correlation analysis showed that NH3-N and pH were significantly positively correlated (p < 0.05). At the same time, there was a significant negative correlation between NH3-N and DO, H3PO4 and pH (p < 0.05). Further analysis of the relationship between surface area, waterweed coverage and environmental factors revealed that the surface area and waterweed coverage were closely related to NH3-N, H3PO4 and DO. From July to October, the differences in morphology and weight of E. sinensis in different ponds became more and more significant. In terms of growth rate, C1S1 with a small area and low coverage had a downward trend, while C2S1 and C2S2 were the opposite. In the final stage of the experiment, C2S2 had the highest yield (0.1311 kg/m2), and C1S1 had the lowest yield (0.0600 kg/m2). Then, the ponds with high waterweed coverage and large area can bring better benefits.

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Effects of different stocking densities on the growth performance and antioxidant capacity of Chinese mitten crab (Eriocheir sinensis) in rice crab culture system

Cited by 8 publications

References 22 publications

Effects of stocking density on the growth performance, mitophagy, endocytosis and metabolism of Cherax quadricarinatus in integrated rice–crayfish farming systems

Effects of stocking density on the growth performance, mitophagy, endocytosis and metabolism of Cherax quadricarinatus in integrated rice–crayfish farming systems

Rice flowering improves the muscle nutrient, intestinal microbiota diversity, and liver metabolism profiles of tilapia (Oreochromis niloticus) in rice-fish symbiosis

Effect of Water Area and Waterweed Coverage on the Growth of Pond-Reared Eriocheir sinensis

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