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Creative Commons License 2014 Volume 1 Issue 3

Length-weight relationship and condition factor of 11 commercial fish species of Daberam, Reservoir, Katsina State.

Lawal I., Bichi A. H.
Abstract

Length-weight relationship and condition factors of some commercially important fish species; Clarias, gariepinus, Schilbemicropogan, Mormyrusrume, Petrocephalusbovei, Alestes nurse, Protopterusannectins, Latesniloticus, Oerochromisniloticus, Sarotherondongalilaeus, Tilapia guntheriand Tilapia zilli are described. The sample size, minimum and maximum lengths and weights, length-weight relationships, ±95% CI of b, r2 r are summarized. The meanvalue of b co-efficient for the eleven species studied was 2.3954.The results indicated nearly negative allometricrelationship inS.micropogan,T.zilli and A.nurse. While. C. gariepinus, O.niloticus,P.bovei,M.rume and L.niloticusindicated nearly isometric relationship and P.annectins,T.guntheri and S.galilaeus shows positive allometric growth. The condition factor( k) values indicated fish population ranged from immature to mature ones.

Keywords: Daberam reservoir, fish species, Length-weight relationship, condition factor.

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Entomology and Applied Science Letters supports the submission of entomological papers that contain information of interest to a wider reader groups e. g. papers bearing on taxonomy, phylogeny, biodiversity, ecology, systematic, agriculture, morphology. The selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance is also important. Distinguished entomologists drawn from different parts of the world serve as honorary members of the Editorial Board. The journal encompasses all the varied aspects of entomological research.