The Effect of Vitamin E Supplement in the Diet on Gonad Maturation of Nilem (Osteochilus hasselti, CV)

https://doi.org/10.22146/jfs.26509

Nurbety Tarigan(1*), Iman Supriatna(2), M. Agus Setiadi(3), Ridwan Affandi(4)

(1) University of Wira Wacana, Sumba
(2) Department of Veterinary Clinic Reproduction and Pathology, Faculty of Veterinary Medicine, Institut Pertanian Bogor
(3) Department of Veterinary Clinic Reproduction and Pathology, Faculty of Veterinary Medicine, Institut Pertanian Bogor
(4) Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science
(*) Corresponding Author

Abstract


The aim of this study was to examine the effect of vitamin E on gonad maturation and determining the best doses in improving gonad maturation in nilem fish. In this study used a flockof fishbrood which is never experienced spawning. There are 4 doses of vitamin E which used in this research following by 0, 125, 250, and 375 mg/kg. The results showed that fortifiedof vitamin E which were in feed significantly affected to the percentage of gonad development, gonadosomatic index (GSI), hepatosomatic index (IHS), fecundity, the diameter of eggs, and the percentage of egg maturity at P<0.05. The result showed that the best dose of vitamin E to reach gonad maturity was 375 mg kg-1 with six weeks maintenance. The percentage of gonad maturity was 100%, IGS was 11.50%, IHS was 0.34%, fecundity was 23.484 eggs/individual, the diameters of the eggs were 0.31 mm, and the percentage of mature eggs was 64.44%. These results supported the potential of feed additives such as vitamin E plays a critical role in enhancing gonad maturation in nilem fish thereby providing methods to improve fish reproduction

Keywords


Nilem; gonad; maturation; vitamin E

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References

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DOI: https://doi.org/10.22146/jfs.26509

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