Antibacterial Activity of Lactobacillus spp and Lactococcus spp Isolated from Various Parts of Pebbly Fish, Alestes baremoze

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dc.contributor.authorKato, Charles D
dc.contributor.authorKahuma, Carol E
dc.contributor.authorNamulawa, Victoria T.
dc.contributor.authorKasozi, Nasser
dc.contributor.authorKahuma, Carol E
dc.date.accessioned2018-09-18T07:11:06Z
dc.date.available2018-09-18T07:11:06Z
dc.date.issued2016
dc.descriptionArticle is available full text.en_US
dc.description.abstractThe study sought to identify microbial communities and potential probiotics in one of the popular fish species, Alestes baremoze. A total of 15 samples were collected from Lake Albert and swabs of the skin, gills and gut were made, and cultured on general purpose and selective media. The bacteria isolated were confirmed using morphological and biochemical tests while probiotic screening was done using the agar spot method. The prevalent potential pathogenic bacteria were Staphylococcus aureus (100%) and Escherichia coli (67.7%). The highest total microbial load was generally recorded for samples from the skin. Staphylococcus spp had the highest total microbial load recorded from all the samples (skin, 8.50±22.1x102 cfu/g and gills, 8.00±24.3x102 cfu/g). When the effect of potential probiotic genera (Lactobacillus spp and Lactococcus spp) isolated from skin, gills and gut was investigated, Lactobacillus spp showed the highest overall activity against all test pathogens. The highest activity for Lactobacillus spp was demonstrated against E. coli (15.4±0.19 mm) and S. aureus (14.0±0.17 mm). The highest activity for Lactococcus spp was demonstrated against S. aureus (8.7±0.12 mm) and E. coli (7.2±0.1 mm). Furthermore, no probiotic activity was recorded against Streptococcus spp and Pseudomonas spp. No significant (p> 0.05) differences in antimicrobial activity were noted using Lactic acid bacteria isolated from the different fish body parts. Based on the positive results from this study, Lactobacillus spp. should be further characterised and studied in challenge experiments in fish to explore its probiotic effects.en_US
dc.identifier.issn2231-0886
dc.identifier.urihttp://hdl.handle.net/20.500.12306/1314
dc.language.isoenen_US
dc.publisherFakruddin, Institute of Food Science and Technology (IFST),en_US
dc.subjectAlestes baremozeen_US
dc.subjectLake Alberten_US
dc.subjectLactic aciden_US
dc.subjectPebbly fishen_US
dc.subjectProbiotics.en_US
dc.titleAntibacterial Activity of Lactobacillus spp and Lactococcus spp Isolated from Various Parts of Pebbly Fish, Alestes baremozeen_US
dc.typeArticleen_US
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