Food intake, survival, and immunity of Nibea albiflora to Cryptocaryon irritans infection
文献类型： 外文期刊
作者： Yin, Fei 1 ; Liu, Wenchao 2 ; Bao, Peibo 2 ; Tang, Baojun 2 ;
作者机构： 1.Ningbo Univ, Collaborat Innovat Ctr Zhejiang Marine Higheffici, Minist Educ, Key Lab Appl Marine Biotechnol, Ningbo 315211, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Minist Agr, Key Lab East China Sea & Ocean Fishery Resources, Shanghai 200090, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
关键词： Nibea albiflora; Cryptocaryon irritans; Serum; Mucus; Immobilization titer
期刊名称：PARASITOLOGY RESEARCH （ 影响因子：2.289； 五年影响因子：2.403 ）
ISSN： 0932-0113
年卷期： 2018 年 117 卷 8 期
页码：
收录情况： SCI
摘要： Cultured Nibea albiflora rarely die from cryptocaryoniasis. To explore the resistance of N. albiflora against the invasion of Cryptocaryon irritans, in this study, 40 g N. albiflora was artificially infected with C. irritans at a median lethal concentration (2050 theronts/g fish). The food intake, survival, relative infection intensity, and immobilization titer variation of serum and mucus at different time points after the infection were compared. Results showed that the ingestion of N. albiflora could be resumed only 1 day after feed deprivation by the disease, which indicated the quick resilience of N. albiflora. N. albiflora did not die out even if it was cultured continually for up to 15 days at 27 A degrees C in a culture tank with a large quantity of C. irritans tomonts. It was because that, without any exterior force, N. albiflora could block the C. irritans cell proliferation, and then the pathogens disappear gradually. In vitro immobilization titer test results confirmed that the serum and mucus could directly eradicate C. irritans.
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