Root crop-based dietary carbohydrate enhanced growth performance and feed efficiency on Nile tilapia (Oreochromis Niloticus) fry
DOI:
https://doi.org/10.32945/atr4719.2025Keywords:
growth performance, Oreochromis niloticus, StarchAbstract
This study evaluated the use of dietary carbohydrates, namely, sweet potato starch, cassava starch, and corn starch, incorporated into the diet of Nile tilapia (Oreochromis niloticus) fry. A total of 360 tilapia fry (average body weight=0.10g) were randomly distributed into twelve 40L tanks and fed three experimental diets over eight weeks: a control diet (100% commercial feed), a sweet potato diet (15% SP), a cassava diet (15% Cas), and a corn starch diet (15% Cos). Tilapia fry fed the SP diet exhibited significantly the best growth performance and feed efficiency compared to the other groups. Weight gain, final average body weight, and specific growth rate were significantly higher in the SP diet group. Although the feed conversion ratio was lower in the SP group, the difference was not statistically significant compared to the control. Survival rates and attractability tests showed no significant differences among the groups. In conclusion, tilapia fry fed the SP diet demonstrated improved growth performance and feed efficiency, indicating effective utilization of feed containing sweet potato starch.
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