Fish sorting assessments of Clarias gariepinus fingerlings raised in fish tanks

Adekoya, B.B. and Ayinla, O.A. and Salawu, R.A and Oresegun, A. and Ogunmodede, B.A and Ogun, A.O. and Adeleye, O.A. and Ayansanwo, T.O. and Idowu, A.A. and Kudoro, O.A. and Salisu, A.A. (2003) Fish sorting assessments of Clarias gariepinus fingerlings raised in fish tanks. In: 16th Annual Conference of the Fisheries Society of Nigeria (FISON) , 4-9 November 2001 , Maiduguri, Nigeria.

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Abstract

Fish sorting assessments of Clarias gariepinus fingerlings stocked and raised in fish tanks were undertaken for a 6-month culture period: Sorting was undertaken from the first, second, and third months of stocking the fish fingerlings while the control was not sorted at all. The sorting assessments revealed that the twice sorting of fish fingerlings stocked with a Marginal Rate of Return (MRR) of 3.44 was significantly different (p>0.05) from those sorted once with MRR of 0.912, and three times with MRR of 2.65 respectively, thus making twice sorting most advisable for fish farmers utilizing Clarias gariepinus fingerlings for tank aquaculture

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