The current study evaluates the role of the dietary Vitamin C on the growth, feed utilization and reproductive performance of kois (A. testudineus). The overall objective of this study was to improve the feed quality and their effects on the seed quality in climbing perch brood stock management in Bangladesh. A significantly positive effect of the highest dietary ascorbic acid level on the brood fish growth and feed efficiency was demonstrated. However, vitamin C did not affect the survival rate. There was no significant effect of vitamin C on Spawning efficiency, ovulation...