Effects of Selected Pollutants on the growth and survival of Clarias gariepinus (Burchell, 1822)

Authors

  • Abidemi-Iromini AO Fisheries and Aquaculture Technology Department, Federal University of Technology, Akure, Nigeria.
  • Kusemiju K Department of Marine Sciences, University of Lagos, Akoka-Yaba, Lagos, Nigeria.

Keywords:

Clarias gariepinus, growth, mortality, pollutants, survival

Abstract

Spent engine oil, NPK fertilizer (15:15:15) and sewage effluent pollutants on growth and survival of Clarias gariepinus catfish were investigated for 70 days. Juvenile fish of length range 7.5cm to 10.6cm; and weight range 4.00g to 8.20g were used; and fish fed 5% body weight of conventional floating feed on daily basis. Temperature (0C), pH and dissolved oxygen (mg/l), mortality and growth rate were monitored. 35% mortality was experienced in NPK media; and 15% mortality was experienced in control experimental tanks. Specimens in control and NPK tanks survived to end of experimental period (70 days) with highest mean weight control tank (51.9g) and length (9.6cm); NPK specimen had mean weight 35.0g and length 8.4cm. Condition factor ‘K’ in control tank and NPK tank were: 0.98 and 0.93. Food Conversion Ratio (FCR) of control and NPK tanks were: 2.00 and 1.51. Food Conversion Efficiency (FCE) in control and NPK tanks were: 50.11% and 66.35%. Specific growth rate (SGR) {%/day} in control water tank was 1.47% per day, and NPK was 1.29% per day. Test statistic indicated there was no significant difference in growth/survival rate within surviving specimens of NPK and control environmental tanks.

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References

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Published

2015-12-30

How to Cite

Abidemi-Iromini AO, & Kusemiju K. (2015). Effects of Selected Pollutants on the growth and survival of Clarias gariepinus (Burchell, 1822). International Journal of Life Sciences, 3(4), 317–324. Retrieved from https://ijlsci.in/ls/index.php/home/article/view/1252

Issue

Vol. 3 No. 4 (2015): International Journal of Life Sciences

Section

Research Articles

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Copyright (c) 2015 Authors

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