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Iranian J. of Fisheries Science، جلد ۱۷، شماره ۲، صفحات ۴۰۳-۴۱۲
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عنوان انگلیسی Comparison of dietary butyric acid supplementation effect on growth performance and body composition of Clarias gariepinus and Oreochromis niloticus fingerlings
چکیده انگلیسی مقاله This study was conducted using butyric acid as a growth enhancer in the diets of Clarias gariepinus and Oreochromis niloticus. C. gariepinus (42.39 g ±1.17) were fed diets containing varying inclusion levels of butyric acid (BA); 0 (CG1), 0.5 (CG2), 1.0 (CG3), 1.5 (CG4), 2.0 (CG5) g kg -1, where, CG1 is the control or reference diet. O. niloticus (25.50 g ± 0.50) were also fed diets containing varying inclusion levels of butyric acid; 0 (ON1), 0.5 (ON2), 1.0 (ON3), 1.5 (ON4), 2.0 (ON5) g kg -1, where, ON1 is the control or reference diet. Diets for C. gariepinus contained 40 % while those of O. niloticus had 35 % crude protein. Fish were fed to satiety twice daily in two equal portions for 12 weeks. At the end of the experiment C. gariepinus fed on diet CG5 (2 g kg-1 BA) had an improved growth of over 600 % while O. niloticus fed diet ON4 (1.5 g kg-1 BA) had over 400 % when compared with those fed the control or reference diets. The highest carcass proteins were also obtained in those fed BA diets when compared with their respective control diets. The present results showed that there were better nutrient utilization in fish C. gariepinus and O. niloticus fed BA supplemented diets. Furthermore, there were no significant variations in the survival of fish fed BA diets when compared with their controls except those in ON4 which had 100 % survival. Quality of water parameters were within the acceptable limits for the culture of fin fishes.
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نویسندگان مقاله Olajumoke Omosowone |
Department of Fisheries and Aquaculture Technology

Adekunle Dada |
Department of Fisheries and Aquaculture Technology

Eunice Adeparusi |
Department of Fisheries and Aquaculture Technology

نشانی اینترنتی http://jifro.areo.ir/article_115901_e9185cb13c742834e1d6c741d6452f14.pdf
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