Comparative Studies of the Growth Characteristics of Macrobrachium macrobrachion and Macrobrachium vollenhovenii in Forcados River Estuary, Niger Delta, Nigeria

E. Ogidiaka¹ , B. O. Bekederemo² , J. Atadiose³

Section:Research Paper, Product Type: Isroset-Journal
Vol.4 , Issue.9 , pp.31-33, Sep-2018

Online published on Sep 30, 2018

Copyright © E. Ogidiaka, B. O. Bekederemo, J. Atadiose . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
This study presents data on the growth characteristics of two important shrimps Macrobrachium macrobrachion and Macrobrachium vollenhovenii found in Forcados river estuary in Niger delta Nigeria. The parameters ‘a’ and ‘b’ of the length-weight relationship of M. macrobrachion were 0.97 and 2.15 for immature, 1.99 and 2.68 for female and 1.30 and 2.52 for male respectively while that of M. Vollenhovenii were 1.93 and 0.88 for immature, 1.91 and 0.86 for female and 1.07 and 0.712 for male respectively. Growth exhibited a negative allometric growth pattern for both species. The condition factor k was 9.83, 0.702 and 0.699 for immature, male and female respectively. The length-weight relationship parameters of M. macrobrachion and M. Vollenhovenii in Forcados River estuary revealed a strong association between the length and weight while the condition factor showed that the prawns were in good condition.

Key-Words / Index Term :
Growth characteristics, Prawns, Estuary, Niger Delta

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