Cannibalism and Performance Evaluation of Hybrids between Clarias batrachus and Clarias gariepinus-Reference-Cited by-同舟云学术

Cannibalism and Performance Evaluation of Hybrids between Clarias batrachus and Clarias gariepinus

Published:2016-09-01 Issue:3 Volume:74 Page:124-129
ISSN:1848-0586
Container-title:Croatian Journal of Fisheries
language:en
Short-container-title:

Author:

Olufeagba Samuel Olabode¹,Okomoda Victor Tosin¹

Affiliation:

1. Department of Fisheries and Aquaculture, University of Agriculture Makurdi, Nigeria

Abstract

Abstract Cannibalism is an important characteristic of African catfish that significantly reduces the number of stocked fish at harvest. This study evaluates the effect of reciprocal hybridization of Clarias batrachus and Clarias gariepinus on cannibalism and growth performance of their progenies in an indoor rearing system. The result obtained reveals excellent performance of hybrids of C. gariepinus ♂ and C. batrachus ♀ over the purebreds in terms of growth. However, the reciprocal hybrids between C. gariepinus ♀ and C. batrachus ♂ all died few hours after hatching. Cannibalism was significantly reduced in the crosses between C. gariepinus ♂ and C. batrachus ♀ with 100% survival after five months of culture. Hence, this could be exploited in commercial production of catfish to reduce cannibalism and increase harvest size of fish farmers.

Publisher

Walter de Gruyter GmbH

Subject

Management, Monitoring, Policy and Law,Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics

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