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AASCIT Communications | Volume 3, Issue 6 | Jan. 12, 2017 online | Page:248-253
Food and Feeding Habit and Condition Factor of Tilapia Species in Ebonyi River, Southeastern Nigeria
This study examined food, feeding habits and condition factor of Tilapia zilli obtained from Ebonyi River in Ebonyi State. Analysis of stomach content revealed varying food items. Out of the 120 species of T. zilli that were sampled, 11 had full stomach, 21 had ¾ stomach full, 52 had 2/4 stomach full, 28 had ¼ stomach while 8 had empty stomach. The male fish was 55, while female was 65. The major food items of T. zilli from this study were Spirogyra spp (17.75%), Clostridium spp (13.61%), Nanicula spp (11.44%), Asterionella spp (80.4%), Oscillatoria spp (13.61%). Some other food items that were also recorded include Piridinium spp, and Cosmarium spp. The length-weight relationship for the samples ranging in size from 5.5cm to 23.7cm TL was estimated and the exponent (b) value indicated negative allometric growth. Overall condition factor value of T. zilli was 1.932 which showed that the sampled fishes were in good condition and sustainable management should not be neglected.
Uneke Bilikis Iyabo, Dept of Applied Biology, Facultyof Biological Sciences, Ebonyi State University, Abakaliki, Nigeria.
Food, Feeding Habits, Condition Factor, Tilapia zilli, Ebonyi River
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Arcticle History
Submitted: Nov. 9, 2016
Accepted: Dec. 19, 2016
Published: Jan. 12, 2017
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