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:: دوره 17، شماره 2 - ( 1-1397 ) ::
جلد 17 شماره 2 صفحات 403-412 برگشت به فهرست نسخه ها
Comparison of dietary butyric acid supplementation effect on growth performance and body composition of Clarias gariepinus and Oreochromis niloticus fingerlings
چکیده:   (874 مشاهده)
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 satiation 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) showed over 400 % improvement in growth when compared with those fed the control or reference diets. The highest carcass protein were also obtained in those fed BA diets when compared with their respective control diets. The results of the present study showed that there was better nutrient utilization in 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 for those fed ON4 which showed 100 % survival. Quality of water parameters were within the acceptable limits for the culture of fin fishes.
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نوع مطالعه: پژوهشي |
دریافت: ۱۳۹۶/۱۲/۲۶ | پذیرش: ۱۳۹۶/۱۲/۲۶ | انتشار: ۱۳۹۶/۱۲/۲۶
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Omosowone O, Dada A, Adeparusi E. Comparison of dietary butyric acid supplementation effect on growth performance and body composition of Clarias gariepinus and Oreochromis niloticus fingerlings . IJFS. 2018; 17 (2) :403-412
URL: http://jifro.ir/article-1-3359-fa.html

Comparison of dietary butyric acid supplementation effect on growth performance and body composition of Clarias gariepinus and Oreochromis niloticus fingerlings . مجله علوم شیلاتی ایران. 1397; 17 (2) :403-412

URL: http://jifro.ir/article-1-3359-fa.html



دوره 17، شماره 2 - ( 1-1397 ) برگشت به فهرست نسخه ها
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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