Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania

Ofred Jonas Mhongole; Robinson Hammerthon Mdegela; Lughano Jeromey Moses Kusiluka; Anders Dalsgaard

doi:doi:10.11648/j.aff.20160505.19

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Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania

Ofred Jonas Mhongole, Robinson Hammerthon Mdegela, Lughano Jeromey Moses Kusiluka, Anders Dalsgaard

Published in Agriculture, Forestry and Fisheries (Volume 5, Issue 5)

Received: 16 August 2016 Accepted: 5 September 2016 Published: 6 October 2016

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Abstract

The aim of this study was to assess faecal bacterial contamination in tilapia fish from wastewater treatment ponds at Mzumbe and in pristine water in Mindu dam. Tilapia fish (fish flesh and fish intestines) and water samples were analysed for Escherichia coli and total plate count. The concentration of E. coli in fish intestines ranged from about 1 - 3.5 log cfu/g and <1 log cfu/g in fish flesh. Total plate count ranged from 1 – 3 log cfu/g in fish flesh and 2 – 6 log cfu/g in fish intestines. The concentration of E. coli in pristine water in Mindu dam ranged from 0 to 15 cfu/mL. From the inlet to outlet of Mzumbe wastewater treatment pond, there was a significant reduction (p<0.05) of E. coli concentration along the gradient from 2.05 to 0.55 log cfu/mL, respectively. These findings demonstrated that tilapia fish from the two study sites were of good quality for human consumption based on microbial faecal contamination. On the other hand treated wastewater of the quality found in this study may be used for aquaculture. However, continuous monitoring for bacteriological quality and safety parameters including E. coli and total plate count is required.

Published in	Agriculture, Forestry and Fisheries (Volume 5, Issue 5)
DOI	10.11648/j.aff.20160505.19
Page(s)	202-206
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

Escherichia coli, Fish Culture, Fish Flesh, Fish Intestines, Water

References

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APA Style

Ofred Jonas Mhongole, Robinson Hammerthon Mdegela, Lughano Jeromey Moses Kusiluka, Anders Dalsgaard. (2016). Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agriculture, Forestry and Fisheries, 5(5), 202-206. https://doi.org/10.11648/j.aff.20160505.19

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ACS Style

Ofred Jonas Mhongole; Robinson Hammerthon Mdegela; Lughano Jeromey Moses Kusiluka; Anders Dalsgaard. Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agric. For. Fish. 2016, 5(5), 202-206. doi: 10.11648/j.aff.20160505.19

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AMA Style

Ofred Jonas Mhongole, Robinson Hammerthon Mdegela, Lughano Jeromey Moses Kusiluka, Anders Dalsgaard. Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agric For Fish. 2016;5(5):202-206. doi: 10.11648/j.aff.20160505.19

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@article{10.11648/j.aff.20160505.19,
  author = {Ofred Jonas Mhongole and Robinson Hammerthon Mdegela and Lughano Jeromey Moses Kusiluka and Anders Dalsgaard},
  title = {Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania},
  journal = {Agriculture, Forestry and Fisheries},
  volume = {5},
  number = {5},
  pages = {202-206},
  doi = {10.11648/j.aff.20160505.19},
  url = {https://doi.org/10.11648/j.aff.20160505.19},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20160505.19},
  abstract = {The aim of this study was to assess faecal bacterial contamination in tilapia fish from wastewater treatment ponds at Mzumbe and in pristine water in Mindu dam. Tilapia fish (fish flesh and fish intestines) and water samples were analysed for Escherichia coli and total plate count. The concentration of E. coli in fish intestines ranged from about 1 - 3.5 log cfu/g and <1 log cfu/g in fish flesh. Total plate count ranged from 1 – 3 log cfu/g in fish flesh and 2 – 6 log cfu/g in fish intestines. The concentration of E. coli in pristine water in Mindu dam ranged from 0 to 15 cfu/mL. From the inlet to outlet of Mzumbe wastewater treatment pond, there was a significant reduction (p<0.05) of E. coli concentration along the gradient from 2.05 to 0.55 log cfu/mL, respectively. These findings demonstrated that tilapia fish from the two study sites were of good quality for human consumption based on microbial faecal contamination. On the other hand treated wastewater of the quality found in this study may be used for aquaculture. However, continuous monitoring for bacteriological quality and safety parameters including E. coli and total plate count is required.},
 year = {2016}
}

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TY - JOUR
T1 - Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania
AU - Ofred Jonas Mhongole
AU - Robinson Hammerthon Mdegela
AU - Lughano Jeromey Moses Kusiluka
AU - Anders Dalsgaard
Y1 - 2016/10/06
PY - 2016
N1 - https://doi.org/10.11648/j.aff.20160505.19
DO - 10.11648/j.aff.20160505.19
T2 - Agriculture, Forestry and Fisheries
JF - Agriculture, Forestry and Fisheries
JO - Agriculture, Forestry and Fisheries
SP - 202
EP - 206
PB - Science Publishing Group
SN - 2328-5648
UR - https://doi.org/10.11648/j.aff.20160505.19
AB - The aim of this study was to assess faecal bacterial contamination in tilapia fish from wastewater treatment ponds at Mzumbe and in pristine water in Mindu dam. Tilapia fish (fish flesh and fish intestines) and water samples were analysed for Escherichia coli and total plate count. The concentration of E. coli in fish intestines ranged from about 1 - 3.5 log cfu/g and <1 log cfu/g in fish flesh. Total plate count ranged from 1 – 3 log cfu/g in fish flesh and 2 – 6 log cfu/g in fish intestines. The concentration of E. coli in pristine water in Mindu dam ranged from 0 to 15 cfu/mL. From the inlet to outlet of Mzumbe wastewater treatment pond, there was a significant reduction (p<0.05) of E. coli concentration along the gradient from 2.05 to 0.55 log cfu/mL, respectively. These findings demonstrated that tilapia fish from the two study sites were of good quality for human consumption based on microbial faecal contamination. On the other hand treated wastewater of the quality found in this study may be used for aquaculture. However, continuous monitoring for bacteriological quality and safety parameters including E. coli and total plate count is required.
VL - 5
IS - 5
ER -

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Author Information

Ofred Jonas Mhongole

Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Chuo Kikuu, Morogoro, Tanzania
Robinson Hammerthon Mdegela

Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Chuo Kikuu, Morogoro, Tanzania
Lughano Jeromey Moses Kusiluka

Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Chuo Kikuu, Morogoro, Tanzania
Anders Dalsgaard

Department of Veterinary Disease Biology, Copenhagen University, Frederiksberg C, Denmark

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APA Style

Ofred Jonas Mhongole, Robinson Hammerthon Mdegela, Lughano Jeromey Moses Kusiluka, Anders Dalsgaard. (2016). Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agriculture, Forestry and Fisheries, 5(5), 202-206. https://doi.org/10.11648/j.aff.20160505.19

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ACS Style

Ofred Jonas Mhongole; Robinson Hammerthon Mdegela; Lughano Jeromey Moses Kusiluka; Anders Dalsgaard. Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agric. For. Fish. 2016, 5(5), 202-206. doi: 10.11648/j.aff.20160505.19

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AMA Style

Ofred Jonas Mhongole, Robinson Hammerthon Mdegela, Lughano Jeromey Moses Kusiluka, Anders Dalsgaard. Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania. Agric For Fish. 2016;5(5):202-206. doi: 10.11648/j.aff.20160505.19

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@article{10.11648/j.aff.20160505.19,
  author = {Ofred Jonas Mhongole and Robinson Hammerthon Mdegela and Lughano Jeromey Moses Kusiluka and Anders Dalsgaard},
  title = {Bacteriological Quality of Tilapia Fish from Treated Wastewater in Peri-Urban Areas, Morogoro, Tanzania},
  journal = {Agriculture, Forestry and Fisheries},
  volume = {5},
  number = {5},
  pages = {202-206},
  doi = {10.11648/j.aff.20160505.19},
  url = {https://doi.org/10.11648/j.aff.20160505.19},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20160505.19},
  abstract = {The aim of this study was to assess faecal bacterial contamination in tilapia fish from wastewater treatment ponds at Mzumbe and in pristine water in Mindu dam. Tilapia fish (fish flesh and fish intestines) and water samples were analysed for Escherichia coli and total plate count. The concentration of E. coli in fish intestines ranged from about 1 - 3.5 log cfu/g and <1 log cfu/g in fish flesh. Total plate count ranged from 1 – 3 log cfu/g in fish flesh and 2 – 6 log cfu/g in fish intestines. The concentration of E. coli in pristine water in Mindu dam ranged from 0 to 15 cfu/mL. From the inlet to outlet of Mzumbe wastewater treatment pond, there was a significant reduction (p<0.05) of E. coli concentration along the gradient from 2.05 to 0.55 log cfu/mL, respectively. These findings demonstrated that tilapia fish from the two study sites were of good quality for human consumption based on microbial faecal contamination. On the other hand treated wastewater of the quality found in this study may be used for aquaculture. However, continuous monitoring for bacteriological quality and safety parameters including E. coli and total plate count is required.},
 year = {2016}
}

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