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Egyptian Journal of Aquatic Biology and Fisheries
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Abdullah et al., N. (2023). Application of vitamin E in commercial feed to improve gonadal maturation in blue devil damselfish/Sapphire devil (Chrysiptera cyanea. Egyptian Journal of Aquatic Biology and Fisheries, 27(6), 1057-1069. doi: 10.21608/ejabf.2023.333153
Nursanti Abdullah et al.. "Application of vitamin E in commercial feed to improve gonadal maturation in blue devil damselfish/Sapphire devil (Chrysiptera cyanea". Egyptian Journal of Aquatic Biology and Fisheries, 27, 6, 2023, 1057-1069. doi: 10.21608/ejabf.2023.333153
Abdullah et al., N. (2023). 'Application of vitamin E in commercial feed to improve gonadal maturation in blue devil damselfish/Sapphire devil (Chrysiptera cyanea', Egyptian Journal of Aquatic Biology and Fisheries, 27(6), pp. 1057-1069. doi: 10.21608/ejabf.2023.333153
Abdullah et al., N. Application of vitamin E in commercial feed to improve gonadal maturation in blue devil damselfish/Sapphire devil (Chrysiptera cyanea. Egyptian Journal of Aquatic Biology and Fisheries, 2023; 27(6): 1057-1069. doi: 10.21608/ejabf.2023.333153

Application of vitamin E in commercial feed to improve gonadal maturation in blue devil damselfish/Sapphire devil (Chrysiptera cyanea

Article 61, Volume 27, Issue 6, November and December 2023, Page 1057-1069  XML PDF (449.41 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2023.333153
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Author
Nursanti Abdullah et al.
Abstract
This study examined the application of vitamin E with different doses in commercial feed on the gonad maturity of blue devil damselfish or the sapphire devil. This study used a completely randomized design with four levels of treatment doses and three replications. The parent fish used were blue devil damselfish that were reared for six weeks. The vitamin E test doses mixed in the feed were A. 0.50, B. 60, and C. 70 mg/kg feed. The results showed that the effect of vitamin E with different doses had a significant effect on the percentage of gonad maturity level (GML), gonadal somatic index (GSI), fecundity, and egg maturity level (EML) (P<0.05). The application of vitamin E at a dose of 0.70 mg/kg of feed proved to be the most effective dose for the gonadal maturation of blue devil damselfish, or sapphire devil, reared for six weeks. The GML percentage was 29.033±1.010;  the GSI was 0.145±0.77, th fecundity was 306±0.936;  the percentage of mature eggs (EML) ranged from 19.875±1.714-42.5±1.667; absolute growth was 1.166±0.30, and the survival rate was 86.666±1.13. Physiologically, vitamin E in feed is a fatty acid antioxidant that acts as a precursor to accelerate the process of gonadal maturation in blue devil damselfish.
Keywords
Chrysiptera syanea; Gonad development; Fecundity; Growth; Survival rate; Vitamin E
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