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Length-weight relationship, condition factor and proportionality index of two Crabs: Cardisoma armatum and Callinectes amnicola of Ebrié lagoon of Côte d’Ivoire

By: Behiri Innocent Kakou, Abouo Béatrice Adepo-Gourene, Koffi Mexmin Konan, Seka Dagou

Key Words: Callinectes amnicola, Length-weight relationship, Condition factor, Proportionality index, Cardisoma armatum, Côte d’Ivoire.

Int. J. Agron. Agri. Res. 11(1), 1-7, July 2017.

Certification: ijaar 2017 0001

Abstract

The length-weight relationship, condition factor and proportionality index of Callinectes amnicola and Cardisoma armatum from Ebrié Lagoon, Grand-Bassam, Côte d’Ivoire, were studied. The carapace width and length were measured to the nearest millimeter (mm) while weight was measured to the nearest grams (g). The length-weight relationship of all samples collected were determined for the various sexes and mixed populations. The values of the exponent ‘b’ for all the sexes and mixed populations ranged from 2.01-2.69. The growth generally exhibited negative allometry in all the sexes and mixed populations. The proportionality index showed that Cardisoma armatum was longer and Callinectes amnicola was wider.

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Length-weight relationship, condition factor and proportionality index of two Crabs: Cardisoma armatum and Callinectes amnicola of Ebrié lagoon of Côte d’Ivoire

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Behiri Innocent Kakou, Abouo Béatrice Adepo-Gourene, Koffi Mexmin Konan, Seka Dagou.
Length-weight relationship, condition factor and proportionality index of two Crabs: Cardisoma armatum and Callinectes amnicola of Ebrié lagoon of Côte d’Ivoire.
Int. J. Agron. Agri. Res. 11(1), 1-7, July 2017.
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