A comparison of diurnal dynamics of water quality parameters in Nile tilapia (Oreochromis niloticus, Linnaeus, 1758) monoculture and polyculture with African sharp tooth catfish (Clarias gariepinus, Burchell, 1822) in earthen ponds

Shoko, Amon Paul; Limbu, Samwel Mchele; Mrosso, Hillary D. J.; Mgaya, Yunus D.

doi:10.1007/s40071-014-0056-8

Cited by 50 publications

(34 citation statements)

References 18 publications

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“…This is because the presence of ammonia in any surface water indicates possible sewage and animal waste pollution of that aquatic environment (Obigacion, 2015). Similar physicochemical parameters have been reported in polyculture earthen ponds (Hassan et al, 2008;Saeed & Batran, 2014;Shoko et al, 2014). Ammonia level within the study fish pond water, although within tolerable level, might be responsible for the observed low level cellular damage in the gills and liver of exposed fish.…”

Section: Arrows) H and E Discussionsupporting

confidence: 84%

Histopathological evaluation of <i>Oreochromis mossambicus</i> gills and liver as biomarkers of earthen pond water pollution

Abalaka¹

2017

Sokoto J. Vet. Sc.

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Oreochromis mossambicus were sampled from a semi-intensively managed polyculture earthen pond in Bagauda, Nigeria for histopathological changes in the gills and liver as early warning signs of pond water pollution. Pond water was sourced from nearby Bagauda dam through a single 28 inches water pipe. The physicochemical parameters of the earthen pond water were within acceptable limits for the growth and survival of O. mossambicus. Although observed histopathological lesions were significantly (p<0.05) higher in the liver than in the gills of sampled fish, lesions were within the normal functioning of respective organs based on the degree of tissue change protocol. The observed lesions indicated low level pollution of the earthen pond water. The result of this preliminary work notwithstanding, there is a need for constant monitoring of the earthen pond water and its water source (Bagauda dam) for pollutants. This is to ensure the continuous well-being and increased productivity of stocked fish within the earthen pond because of the large catchment area being drained by the dam relative to increasing human anthropogenic activities within the area.

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Section: Arrows) H and E Discussionsupporting

confidence: 84%

Histopathological evaluation of <i>Oreochromis mossambicus</i> gills and liver as biomarkers of earthen pond water pollution

Abalaka¹

2017

Sokoto J. Vet. Sc.

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“…It has been established that, the overall survival, condition factor and growth performance of cultured fish partly depends on water quality (Shoko et al 2014a). Water quality parameters such as dissolved oxygen, water temperature and pH affect growth of O. niloticus because they are required for optimum feeding, growing and excretion of wastes in water (Dampin et al 2012; Dagne et al 2013).…”

Section: Discussionmentioning

confidence: 99%

“…In Tanzania, over 95 % of fish farmers practise semi-intensive mixed-sex culture of O. niloticus in earthen ponds (Kaliba et al 2006). To a small extent, farmers stock O. niloticus and African sharptooth catfish ( Clarias gariepinus ) in polyculture system (Shoko et al 2014a, b; Limbu et al 2015). In both cases, the culture of O. niloticus in earthen ponds entirely depends on supplementary feeds such as rice, maize and wheat bran; and sunflower and cotton seed cakes with or without fertilization using animal manure.…”

Section: Introductionmentioning

confidence: 99%

Supplemental effects of mixed ingredients and rice bran on the growth performance, survival and yield of Nile tilapia, Oreochromis niloticus reared in fertilized earthen ponds

et al. 2016

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Unaffordability of commercial feeds to semi-intensive Nile tilapia, Oreochromis niloticus farmers has led to reliance on supplemental feeding and fertilization for nutrition of their fish without a scientific basis. This study compared the growth, survival, condition factor and yield performance of O.niloticus fed on mixed ingredients (MI) and rice bran alone (RB) diets reared in fertilized earthen ponds in small scale farmers’ ponds. The study also determined phytoplankton composition, biomass and abundance in the experimental ponds. Quadruplicate ponds were stocked with O. niloticus and African sharptooth catfish, Clarias gariepinus at a stocking ratio of 1:3. The initial mean weights of O. niloticus and C. gariepinus were 14.62 ± 0.61 and 20.34 ± 1.44 g respectively. The fish were fed on MI and RB diets with protein content of 184.74 and 126.06 g kg−1 respectively for 270 days. The results showed that growth performance, survival rate and condition factor of O.niloticus were not affected by either feeding with MI or RB diet (p > 0.05). Moreover, there were no significant differences obtained in phytoplankton biomass and abundance in O.niloticus ponds fed on the two diets (p > 0.05). Furthermore, feeding O.niloticus either on MI or RB diet did not affect the net and gross fish yields (p > 0.05). The study revealed that the use of either MI or RB diet does not significantly affect the performance of O.niloticus cultured in semi-intensive earthen ponds where natural food organisms are an integral part of the culture system. Rice bran could be used for semi-intensive culture of O.niloticus in fertilized ponds to boost the production based on its availability and low cost.

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“…The accepted level of ammonia should be under the range of 0.05 to 0.10 mg/l [17] and above range it is toxic to the cultured fish [5].…”

Section: Resultsmentioning

confidence: 99%

Development Smart Water Aquaponics Model

Zugravu¹,

Kamel²,

Rahoveanu³

et al. 2017

The International Conference "The Risk in Contemporary Economy" (Dunarea De Jos University. Faculty of Economics)

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A comparison of diurnal dynamics of water quality parameters in Nile tilapia (Oreochromis niloticus, Linnaeus, 1758) monoculture and polyculture with African sharp tooth catfish (Clarias gariepinus, Burchell, 1822) in earthen ponds

Cited by 50 publications

References 18 publications

Histopathological evaluation of <i>Oreochromis mossambicus</i> gills and liver as biomarkers of earthen pond water pollution

Histopathological evaluation of <i>Oreochromis mossambicus</i> gills and liver as biomarkers of earthen pond water pollution

Supplemental effects of mixed ingredients and rice bran on the growth performance, survival and yield of Nile tilapia, Oreochromis niloticus reared in fertilized earthen ponds

Development Smart Water Aquaponics Model

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