Comparison of Several Immune Factors of Tilapia Before or After Waste Water Treatment

doi:10.11923/j.issn.2095-4050.cjas2022-0045

Abstract

Abstract:

The team adopted the model of two dams and three zones to carry out ecological transformation of ponds in the Yangtze River Delta. In order to explore whether the transformation can improve the immune ability of fish, this study compared the changes of several immune factors in the serum of genetic improvement of farmed tilapia (GIFT) in the untreated and treated groups of waste water, and solved the key industrial problem of cost accounting in the application of the two dam and three zone model. Results showed that the treated aquaculture waste water would not affect the SGR and HSI of the tilapia, and had no significant effect on the growth index of the fish (P>0.05). The levels of immune factors α1-AT and LYS in GIFT were significantly increased, and the contents of pro-inflammatory factors (IFN-γ) and anti-inflammatory factors (IL-10 and TGF-β) were significantly increased (P<0.05). Significant changes in the levels of several immune factors have been observed in tilapia serum after treatment of aquaculture wastewater.

Key words: aquaculture waste water, two dams and three zones model, cost accounting, inflammatory cytokines, immune factor

YIN Tongtong, LI Quanjie, ZHU Haojun, ZHENG Yao. Comparison of Several Immune Factors of Tilapia Before or After Waste Water Treatment[J]. Journal of Agriculture, 2025, 15(2): 75-80.

Figures/Tables 7

References 24

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分组	15 d SGR/(%/d)	15 d HSI/%	30 d SGR/(%/d)	30 d HSI/%
X组	4.71±0.84	3.50±0.55	4.06±0.27	2.42±0.40
Y组	5.29±0.69	3.43±0.22	3.45±0.45	2.32±0.15
Z组	6.61±0.90	4.23±0.27	4.14±0.37	1.88±0.21

分组	15 d SGR/(%/d)	15 d HSI/%	30 d SGR/(%/d)	30 d HSI/%
X组	4.71±0.84	3.50±0.55	4.06±0.27	2.42±0.40
Y组	5.29±0.69	3.43±0.22	3.45±0.45	2.32±0.15
Z组	6.61±0.90	4.23±0.27	4.14±0.37	1.88±0.21