IOCAS-IR
Precise feeding of probiotics in the treatment of edwardsiellosis by accurate estimation of Edwardsiella tarda
Fu, Songzhe1; Tu, Junling2; Rahman, Md Mostafizur1; Tian, Huiqin3; Xiao, Peng3; Liu, Ying1
2018-10-01
Source PublicationANNALS OF MICROBIOLOGY
ISSN1590-4261
Volume68Issue:10Pages:645-654
Corresponding AuthorFu, Songzhe(fusongzhe@hotmail.com) ; Liu, Ying(yingliu@dlou.edu.cn)
AbstractEdwardsiella tarda is one of the leading fish pathogens for the aquaculture industry. To realize efficient disease control of edwardsiellosis, a predictive model for E. tarda in seawater was developed. The modified logistic model was used to regress the growth curves of E. tarda JN at five different temperatures (range from 10 to 30 degrees C) and four organic nutrient concentrations (range from 5 to 40mgl(-1) measured by chemical oxygen demand (COD)). The modeling effects of temperature and COD on the specific growth rate () were developed by square-root model and saturation-growth rate model, respectively. The growth model was validated in turbot aquaculture tanks by estimating the dynamics of inoculated E. tarda. The accurate feeding of probiotic Bacillus pumilus strain H2 was calculated based on the estimation of E. tarda. Results showed that the logistic model produced a good fit to the growth curves of E. tarda JN (average R-2=0.962). The overall predictions based on above models agreed well with the growth curve of E. tarda JN observed by plate counting in the validation tests (average Af=1.16; average Bf=1.32). The use of predicted amount of B. pumilus (5.66logCFUml(-1)) successfully prevent the deterioration of disease for turbot with 13.3% mortality rate in a recirculating aquaculture system (RAS), while the feeding of 0 and 3.0logCFUml(-1) of B. pumilus resulted in 53.7 and 75.3% of turbot mortality rate, respectively. In conclusion, accurate estimation of E. tarda realized the precise feeding of probiotics, which successfully prevent the rapid progression of the edwardsiellosis.
KeywordEdwardsiella tarda Growth rate Lag time Predictive model Saturation-growth rate model RAS
DOI10.1007/s13213-018-1371-x
Indexed BySCI
Language英语
Funding ProjectNational key R&D Program of China[2017YFB0404000]
WOS Research AreaBiotechnology & Applied Microbiology ; Microbiology
WOS SubjectBiotechnology & Applied Microbiology ; Microbiology
WOS IDWOS:000445180700005
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/160215
Collection中国科学院海洋研究所
Corresponding AuthorFu, Songzhe; Liu, Ying
Affiliation1.Dalian Ocean Univ, Coll Marine Technol & Environm, 52 Heishijiao St, Dalian 116023, Peoples R China
2.Nanchang Ctr Dis Control & Prevent, Nanchang 330038, Jiangxi, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Fu, Songzhe,Tu, Junling,Rahman, Md Mostafizur,et al. Precise feeding of probiotics in the treatment of edwardsiellosis by accurate estimation of Edwardsiella tarda[J]. ANNALS OF MICROBIOLOGY,2018,68(10):645-654.
APA Fu, Songzhe,Tu, Junling,Rahman, Md Mostafizur,Tian, Huiqin,Xiao, Peng,&Liu, Ying.(2018).Precise feeding of probiotics in the treatment of edwardsiellosis by accurate estimation of Edwardsiella tarda.ANNALS OF MICROBIOLOGY,68(10),645-654.
MLA Fu, Songzhe,et al."Precise feeding of probiotics in the treatment of edwardsiellosis by accurate estimation of Edwardsiella tarda".ANNALS OF MICROBIOLOGY 68.10(2018):645-654.
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