Download Tag: CLARIAS GARIEPINUS


EFFECT OF ALBINO GENE ON INTRASPECIFIC HYBRIDIZATION OF NORMAL AND ALBINO AFRICAN CATFISH (CLARIAS GARIEPINUS)

CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF THE STUDY The demand for high quality protein especially from aquatic resources is rising, Clarias gariepinus is the most common and have received much attention because of its economic importance and high rate of success in rearing them (Adewolu et al. 2009). Albinism in catfish is the best known potentially valuable qualitative traits and inherited as a single homozygous recessive trait (Bondari, 1981). The ...

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REPRODUCTION, FOOD, LENGTH -WEIGHT RELATIONSHIP AND CONDITION FACTOR OF AFRICAN CATFISH Clarias gariepinus (BURCHELL) IN NIGERIA

ABSTRACT Some aspects of reproduction, food and feeding habits as well as length weight relationship and condition of Clarias gariepinus in selected Lakes  were studied. Samples of C.gariepinus were collected monthly during September (2005) through to August (2006) using hook - and - line method and gillnets of various mesh sizes. Sex ratio was not significantly different from 1:1 except in samples taken in April and July, and in length ...

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ASPECT OF BIOLOGY OF CLARIAS GARIEPINUS OF THE LENGTH WEIGHT FOOD AND FEEDING HABIT AND CONDITIONS OF CATFISH

ABSTRACT The African catfish Clarias gariepinus is a non-native fish species to Agulu lake. The timing and method of its introduction into the Lake is not clearly known, but it is thought that it probably came through the selected rivers. The biology and ecology of catfish in Lake Nigeria is poorly known. This lack of knowledge makes it difficult to estimate the trophic level, reproductive capacity and ecological role of ...

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