Journal of Ecology and Rural Environment ›› 2017, Vol. 33 ›› Issue (10): 950-954.doi: 10.11934/j.issn.1673-4831.2017.10.012

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Effects of Cultivation of Houttuynia cordata on Floating Beds on Serumal Immune Factors of GIFT Tilapia

ZHENG Yao1,2, HU Geng-dong1, QIU Li-ping1, ZHAO Zhi-xiang2, SONG Chao1, FAN Li-min1, MENG Shun-long1, XU Pao1,2, CHEN Jia-zhang1,2,3   

  1. 1. Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences/Fishery Eco-Evironment Monitoring Center of Lower Reaches of Yangtze River, Ministry of Agriculture/Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Environmental Factors(Wuxi), Ministry of Agriculture, Wuxi 214081, China;
    2. Wuxi Fishery College of Nanjing Agricultural University, Wuxi 214081, China;
    3. Key Laboratory of Quality and Safety Control for Aquatic Products, Ministry of Agriculture, Beijing 100141, China
  • Received:2016-09-06 Online:2017-10-25 Published:2017-11-24

Abstract:

To explore whether the symbiont of Houttuynia cordata (0, 5%, 10% and 15% in plant area) and GIFT tilapia may enhance immunological effects of serumal immune factors of the fish at different phases via pond cultivation of the plants on floating beds, immunoglobulin M (IgM), epidermal growth factor (EGF); iterferon-γ (IFN-γ), interleukin-10 (IL-10), tumor necrosis factor-α (TNF-α), interleukin-8 (IL-8); metallothionein (MT) and transferrin (TRF) of the fish was measured. Results show that the fish in the 10% group were significantly higher than those in any other groups in serumal EGF, IL-8, IL-10, TNF-α and TRF, and that the fish in the 5% group were significantly higher than those in any other groups in IgM and IFN-γ without showing any adverse effect on MT in the fish. Apparently, planting Houttuynia cordata up to 5% in area in the fish pond of GIFT tilapia can significantly enhance activities of serumal immune factors at different phases of the immune reaction.

Key words: biological floating bed, Houttuynia cordata, immune factor, Oreochromis niloticus

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