Length-weight relationship, body condition and sex ratio of tilapia ( Oreochromis niloticus  l.) in Lake Chamo, Ethiopia

doi:10.4314/sinet.v25i1.18070

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Length-weight relationship, body condition and sex ratio of tilapia (Oreochromis niloticus l.) in Lake Chamo, Ethiopia

Yirgaw Teferi, Demeke Admassu

Abstract

The length-weight relationship of 1429 fish ranging in size from 120 to 610 mm Total Length (tl) and from 36 to 4800 g Total Weight (tw) was computed based on monthly samples collected between March 1996 and March 1997. The relationship between total length and total weight for both sexes was curvilinear and statistically significant. The regression equation for the females was TW=0.0225TL2.97 r2=0.98, P

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SINET: Ethiopian Journal of Science. ISSN: 0379-2897

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