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Effect of Kam Kung alga (Chara corallina Willdenow) on the growth performance and oxidative defense of Nile tilapia (Oreochromis niloticus)
Author(s)
Chankaew, W.
Yangthong, M.
Srichanan, M.
Chankaew, S.
Ngamphongsai, C.
Date Issued
September 1, 2023
Type
Article
Abstract
The result showed that the survival rate and FCR of the fish fed with algal inclusion diets at 7.5 and 10.0% were significantly differed (p<0.05) as compared to the control group. While, the fish fed with algal inclusion diets at 5.0, 7.5 and 10.0% were significantly differed in protein efficiency ratio of fish from control group (p<0.05). The percentage of protein content in fish carcass fed with experimental diets at 7.5 and 10.0% were significantly higher than the control group (p<0.05). All groups that received alga supplement did not show significant change in the level of malondialdehyde (MDA) in liver. At 2.5% inclusion found to be low lipid oxidation which was 96.39±13.08 nmol MDA/g liver. It was significantly differed (p<0.05) from the fish fed with the diets supplemented with algal powder at 5.0, 7.5 and 10.0 % which were 125.32±17.88, 122.24±18.50 and 122.52±25.60 nmol MDA/g liver, respectively. Glutathione and specific glutathione activity of fish fed with algal inclusion diets at 0 and 10.0% were significantly differed (p<0.05) as 91.34±30.42 and 164.26±41.50 nmol GSH/mL and 94.99±36.75 and 162.12±48.97 mmol GSH/mg protein, respectively. These findings indicated that the fish fed with 7.5% algal supplemented tended to optimal feed level for growth performance when evaluated at the 4th months and C. corallina led to increase the level of glutathione in liver of Nile tilapia.
Citation
International Journal of Agricultural Technology, 19(5), 2011-2024, 2023