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Growth parameters and total mortality in Oreochromis niloticus (Linnaeus) from Nyanza Gulf, Lake Victoria
Getabu, A. (1992). Growth parameters and total mortality in Oreochromis niloticus (Linnaeus) from Nyanza Gulf, Lake Victoria, in: Mavuti, K.M. et al. (Ed.) (1993). Recent Advances in Hydrobiology and Fisheries in Eastern Africa: Proceedings of the 1st Symposium of Hydrobiological Society of East Africa, on State of Knowledge and Recent Research Advances in Freshwater and Marine Biology in Eastern Africa, held in Nairobi, Kenya, 13-16 December 1988. pp. 91-97
In: Mavuti, K.M.; Jaccarini, V.; Martens, E.E. (Ed.) (1993). Recent Advances in Hydrobiology and Fisheries in Eastern Africa: Proceedings of the 1st Symposium of Hydrobiological Society of East Africa, on State of Knowledge and Recent Research Advances in Freshwater and Marine Biology in Eastern Africa, held in Nairobi, Kenya, 13-16 December 1988. Kluwer Academic: Dordrecht. IX, 110 pp., more
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158, more
Peer reviewed article  

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Keyword
    Fresh water

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  • Getabu, A.

Abstract
    Length-frequency data collected from fish landings in the Kenya waters of Lake Victoria were used to estimate the growth parameters, total mortality rate and growth performance index in Oreochromis niloticus. The asymptotic length, (Linfinite) and the ratio of the total mortality rate (Z) to the growth constant (K), were estimated to be 64.6 cm and 3.219 respectively. K was 0.254y-1, Z was 0.818 y-1 and the growth performance index Phi' = Log10K + 2 log10 Linfinite = 3.025, which is rather high as compared to other tilapia populations in natural waters.

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