Effect of Drying Methods and Pre Treatments on Shelf Life and Microbial Quality of fish (Oreochromis Niloticus, Pylodictis Olivaris and Cyprinus Carpio) Species Commonly used in Gambella Region

1
Getahun Asebe
Getahun Asebe Veterinary medicine, Infectious diseases, Veterinary Public health, Animal Science
2
Dagne Tarle
Dagne Tarle
3
Mitiku Eshetu
Mitiku Eshetu
4
Solomon Abera
Solomon Abera
1 Gambella University

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Effect of Drying Methods and Pre Treatments on Shelf Life and Microbial Quality of fish (Oreochromis Niloticus, Pylodictis Olivaris and Cyprinus Carpio) Species Commonly used in Gambella Region Banner
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A study was conducted to assess the effect of drying methods and pre-treatments on shelf-life and microbial quality of dried fish. The experiment was conducted in factorial arrangement of 2×3×2 with two drying methods (sun and oven drying,) three fish species (tilapia, cat fish and carp) and two preservatives treatment (garlic and ginger juice) laid out in Completely Randomized Design (CRD). Fresh fillets were analyzed for their microbiological quality. Drying reduced the moisture contents making it safe for long term storage. The dried fillets were stored at ambient condition and the samples were analyzed for microbial status every twenty days starting from the end of drying operation. Fresh fillet and untreated dry fillet were used as control. In the fresh fillets, a high load of aerobic bacteria of 5.11 log10 cfu/g was observed on carp, and E.coli was detected in all three species whereas no Salmonella spp.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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Getahun Asebe. 2015. \u201cEffect of Drying Methods and Pre Treatments on Shelf Life and Microbial Quality of fish (Oreochromis Niloticus, Pylodictis Olivaris and Cyprinus Carpio) Species Commonly used in Gambella Region\u201d. Global Journal of Medical Research - L: Nutrition GJMR-L Volume 15 (GJMR Volume 15 Issue L1): .

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Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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GJMR-L Classification: NLMC Code: QU 145.5
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August 4, 2015

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English

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A study was conducted to assess the effect of drying methods and pre-treatments on shelf-life and microbial quality of dried fish. The experiment was conducted in factorial arrangement of 2×3×2 with two drying methods (sun and oven drying,) three fish species (tilapia, cat fish and carp) and two preservatives treatment (garlic and ginger juice) laid out in Completely Randomized Design (CRD). Fresh fillets were analyzed for their microbiological quality. Drying reduced the moisture contents making it safe for long term storage. The dried fillets were stored at ambient condition and the samples were analyzed for microbial status every twenty days starting from the end of drying operation. Fresh fillet and untreated dry fillet were used as control. In the fresh fillets, a high load of aerobic bacteria of 5.11 log10 cfu/g was observed on carp, and E.coli was detected in all three species whereas no Salmonella spp.

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Effect of Drying Methods and Pre Treatments on Shelf Life and Microbial Quality of fish (Oreochromis Niloticus, Pylodictis Olivaris and Cyprinus Carpio) Species Commonly used in Gambella Region

Dagne Tarle
Dagne Tarle
Mitiku Eshetu
Mitiku Eshetu
Solomon Abera
Solomon Abera
Getahun Asebe
Getahun Asebe Gambella University

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