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The study aims to determine the effects of varying dietary vitamin E levels on growth, gonadal maturation, and gene expression in climbing perch.

May 22, 2026Aquaculture ReportsOpen Access

Dietary vitamin E enhances growth performance, gonadal maturation, and dmrt1/foxl2 expression in climbing perch (Anabas testudineus)

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The study aims to determine the effects of varying dietary vitamin E levels on growth, gonadal maturation, and gene expression in climbing perch.
Fish were reared in six cages with varying vitamin E levels (0-250 mg/kg) over ten months.
Growth metrics, histological analyses, and qPCR were conducted to assess gonadal development and gene expression.
Thirty fish were kept per cage to evaluate developmental outcomes across different vitamin E treatments.
Dietary supplementation of 100 mg/kg vitamin E showed optimal growth (weight: 69.68 ± 8.35 g, length: 17.035 ± 2.366 cm) with significant differences (p < 0.05).
Histological analysis showed mature oocytes and concentrated spermatozoa in the gonads of the T2 treatment group.
Significant upregulation of dmrt1 and foxl2 was observed in male and female A. testudineus respectively under the T2 treatment (p < 0.05).

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Randomized trial evaluates vitamin E diet effects on growth and reproductive health in Anabas testudineus, suggesting optimal supplementation levels.

Mumu et al. (2026) studied this question.

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Randomized trial evaluates vitamin E diet effects on growth and reproductive health in Anabas testudineus, suggesting optimal supplementation levels.