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Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)

Author

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  • T. Olivier Amoussou
  • Aboubacar Toguyeni
  • Ibrahim Imorou Toko
  • Antoine Chikou
  • Mivice Bravo
  • Issaka Youssao Abdou Karim

Abstract

The effect of geographical origin on the zootechnical parameters of tilapias is very poorly documented, unlike production systems and farming methods. In this study, the growth and survival characteristics of Oreochromis niloticus individuals were analyzed in relation with their waterway of origin, sex and age at experimental fishing. Durung the rearing, the duplicate groups were constituted keeping the 2 sexes (male vs female) separately. Fingerlings were fed using a granulated commercial fish feed (35% of proteins; 3 mm in diameter). Apart from chlorophyll «a», 3 phytoplankton and 5 zooplankton species were also available in the rearing tank. The body weight, total length, standard length, average weight gain, nutritive quotient and survival rate were similar (p>0.05) between lake Toho and Couffo river but weaker at these two waterways than Ouémé river (p

Suggested Citation

  • T. Olivier Amoussou & Aboubacar Toguyeni & Ibrahim Imorou Toko & Antoine Chikou & Mivice Bravo & Issaka Youssao Abdou Karim, 2017. "Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)," International Journal of Sciences, Office ijSciences, vol. 6(05), pages 30-42, May.
    • Handle: RePEc:adm:journl:v:6:y:2017:i:5:p:30-42
    DOI: 10.18483/ijSci.1269
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    References listed on IDEAS

    as
    1. Emmanuel A. Frimpong & Yaw B. Ansah & Stephen Amisah & Daniel Adjei-Boateng & Nelson W. Agbo & Hillary Egna, 2014. "Effects of Two Environmental Best Management Practices on Pond Water and Effluent Quality and Growth of Nile Tilapia, Oreochromis niloticus," Sustainability, MDPI, vol. 6(2), pages 1-24, February.
    2. Yaw B. Ansah & Emmanuel A. Frimpong & Eric M. Hallerman, 2014. "Genetically-Improved Tilapia Strains in Africa: Potential Benefits and Negative Impacts," Sustainability, MDPI, vol. 6(6), pages 1-25, June.
    3. Owusu-Frimpong, M. & Attipoe, F.Y.K. & Padi, J.N., 2005. "Comparison of some traits of economic importance in tilapias (Orechromis niloticus and Sarotherodon galilaeus) with particular reference to their culture in Ghana," Naga, The WorldFish Center, vol. 28(3/4), pages 33-36.
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