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International Journal of Zoological Research
  Year: 2011 | Volume: 7 | Issue: 2 | Page No.: 128-137
DOI: 10.3923/ijzr.2011.128.137
Amaranthus spinosus Leaf Meal as Potential Dietary Protein Source in the Practical Diets for Clarias gariepinus (Burchell, 1822) Fingerlings
M.A. Adewolu and A.A. Adamson

Abstract:
The aim of this study was to evaluate the potentials of Amaranthus spinosus leaf meal as dietary protein source for Clarias gariepinus fingerlings. An 8 week feeding trial was conducted in plastic aquaria tanks of 50 L capacity. Amaranthus spinosus leaf meal was included in the practical diets at 0, 5, 10, 15 and 20% designated as diets 1, 2, 3, 4 and 5, respectively. Diet 1 without A. spinosus serves as the control. All diets were made isonitrogenous (36% CP) and isocaloric. Fingerlings of initial mean weight of 5.00±0.37 g were fed on allotted diet at 3% b.wt. day-1 for 56 days. Specific Growth Rate (SGR) was highest with a value of 1.95±0.69 in diet 1 while it was lowest in diet 5 with a value of 0.20±0.24, SGR values in diet 1 (control) and diet 2 were similar and significantly (p<0.05) better than the other dietary treatments. Fish fed diets 3, 4 and 5 showed significantly reduced growth performance and feed utilization compared to those fed with diets 1 and 2. FCR was lowest in fish fed diet 1 with a value of 1.72±0.56 and highest in fish fed with diet 5, however, FCR values of diets 1 and 2 were not significantly (p>0.05) different from each other but were significantly (p<0.05) different from other diets. This study indicates that up to 5% A. spinosus leaf meal could be included in the practical diet of Clarias gariepinus without affecting growth and feed utilization.
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How to cite this article:

M.A. Adewolu and A.A. Adamson, 2011. Amaranthus spinosus Leaf Meal as Potential Dietary Protein Source in the Practical Diets for Clarias gariepinus (Burchell, 1822) Fingerlings. International Journal of Zoological Research, 7: 128-137.

DOI: 10.3923/ijzr.2011.128.137

URL: https://scialert.net/abstract/?doi=ijzr.2011.128.137

 
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