Sustainable development of factory aquaculture through automation of ultraviolet parasiticide for the prevention and control of cryptocaryoniasis
文献类型： 外文期刊
作者： Zhou, Liyao 1 ; Wu, Jiankun 1 ; Kang, Tianjing 1 ; Wang, Lingling 1 ; Yuan, Yongchao 1 ; Jiang, Linhua 4 ; Yu, Youbin 5 ; Xie, Xiao 1 ; Yin, Fei 1 ;
作者机构： 1.Ningbo Univ, Key Lab Appl Marine Biotechnol, Minist Educ, 818 Fenghua Rd, Ningbo 315211, Peoples R China
2.Ningbo Univ, State Key Lab Managing Biot & Chem Threats Qual &, 818 Fenghua Rd, Ningbo 315211, Peoples R China
3.Ningbo Univ, Sch Marine Sci, 818 Fenghua Rd, Ningbo 315211, Peoples R China
4.Huzhou Univ, Sch Informat Engn, Huzhou, Peoples R China
5.Chinese Acad Fishery Sci, Fishery Machinery & Instrument Res Inst, Key Lab Ocean Fishing Vessel & Equipment, Minist Agr & Rural Affairs, Shanghai, Peoples R China
6.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Key Lab Equipment & Informatizat Environm Controll, Minist Agr & Rural Affairs, Hangzhou 310058, Peoples R China
关键词： Cryptocaryon irritans; ultraviolet light; prevention and control; inactivated dose; automatic ultraviolet parasiticide device
期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.462； 五年影响因子：4.688 ）
ISSN： 1526-498X
年卷期：
页码：
收录情况： SCI
摘要： BackgroundCryptocaryon irritans infestations on marine teleosts are a considerable burden on factory mariculture. Ultraviolet (UV) light can kill C. irritans under laboratory conditions. However, a rational method for using UV in factory aquaculture to control cryptocaryoniasis has not been developed. This study focused on evaluating the killing effect of UV on protomonts and tomonts of C. irritans and established an automatic UV parasiticide device for the prevention and control of cryptocaryoniasis in marine teleosts. ResultsThe survival rate of protomonts and tomonts decreased with an increase in the UV irradiation dose. All the protomonts and tomonts died within 14 and 24 min, respectively. The lowest UV lethal doses of protomonts and tomonts of C. irritans were 2.0 x 10(6) and 3.5 x 10(6) mu Ws cm(-2), respectively. Exposure of protomonts and tomonts to lethal doses of UV radiation led to shrinkage and severe dissolution of the protoplasm, causing abnormal development of cells. The survival rate of artificially infected Larimichthys crocea (treatment group, group A) was 83.33% at the end of the test (day 14) after disinfection using the automatic UV parasiticide device, whereas that of the control group (group C) was 90.00% (p < 0.05). However, all artificially infected L. crocea without disinfection using the automatic UV parasiticide device (untreated group, group B) died on day 8. ConclusionThe automation of traditional physical methods conforms to the sustainable development of aquaculture and provides a theoretical reference for the prevention and control of cryptocaryoniasis in mariculture. (c) 2022 Society of Chemical Industry.
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