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dc.contributor.authorDuremdez, Roselyn C.
dc.contributor.authorLio-Po, Gilda D.
dc.date.accessioned2012-10-15T07:14:52Z
dc.date.available2012-10-15T07:14:52Z
dc.date.issued1985
dc.identifier.citationDuremdez, R.C., & Lio-Po, G.D. (1985). Studies on the causative organism of Sarotherodon niloticus (Linnaeus) fry mortalities - 2. Identification and characterization of the physiological properties of Pseudomonas fluorescens. Fish Pathology, 20(2-3):115-123.en
dc.identifier.issn0388-788X
dc.identifier.urihttp://hdl.handle.net/10862/1161
dc.descriptionSEAFDEC Contribution No. 148.en
dc.description.abstractIdentification and examination of the physiological characteristics of Pseudomonas sp. isolated from fry of Sarotherodon niloticus (L.) was conducted. Based on morphological and biochemical tests, the bacterium was identified to be a strain closest to Pseudomonas fluorescens. In vitro physiological growth patterns at varying temperatures, NaCl concentrations, and pH were observed for a maximum of eleven days incubation while growth of the test bacterium into various water media were observed for a maximum of 148 days. Bacterial growth occurred between 10° to 41°C with optimum growth at 25° to 30°C. The bacterium tolerated NaCl concentrations of 0 to 50 ppt. Optimum growth, however, was obtained from 0 to 15 ppt. It was found that growth was possible only at pH 5.0 to 9.7. Optimum growth occurred at pH ranging from 5.7 to 8.4. Inoculation of the test bacterium into different freshwater media obtained from various sources resulted in growth and rapid multiplication. Viability was maintained throughout the 148 day incubation period. Growth in the brackishwater medium was observed only until 50 days. No growth was observed in the seawater medium.en
dc.language.isoenen
dc.publisherJapanese Society of Fish Pathologyen
dc.subjectSarotherodon niloticusen
dc.subjectPseudomonasen
dc.titleStudies on the causative organism of Sarotherodon niloticus (Linnaeus) fry mortalities - 2. Identification and characterization of the physiological properties of Pseudomonas fluorescensen
dc.typeArticleen
dc.citation.volume20
dc.citation.issue2-3
dc.citation.spage115
dc.citation.epage123
dc.citation.journalTitleFish Pathologyen
dc.subject.asfafish larvaeen
dc.subject.asfabacterial diseasesen
dc.subject.asfaidentificationen
dc.subject.asfamicrobial propertiesen
dc.subject.asfasalinityen
dc.subject.asfapHen
dc.identifier.doi10.3147/jsfp.20.115


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  • AQD Journal Articles [1213]
    These papers were contributed by AQD staff to various national and international journals

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