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Production of Monosex All-Male Nile Tilapia Using Ethanol Extract of Tribulus terrestris Seeds

Production of Monosex All-Male Nile Tilapia Using Ethanol Extract of Tribulus terrestris Seeds Mixed sex juveniles of Nile tilapia (mean weight 0.025 ± 0.009 g; mean length 1.25 ± 0.012 cm) were subjected to dietary treatment (commercial fish feed, Tokyu, Japan, 30% crude protein) with ethanolic extract of Tribulus terrestris seeds at different concentrations (0.0, 2.0, 2.5, 3.0 g/kg feed) to evaluate the efficacy of the plant seed extract for induction of masculinisation in fish. Treatment with plant extract at different concentrations have resulted in significantly higher (P < 0.05) survival percentage compared to control indicating no adverse health effect of the plant extract. Fish fed diets containing the plant extract showed significantly higher (P < 0.05) percentage of males compared to fish fed control diet. Dietary supplementation with the plant extract at the concentration of 2.0 g/kg feed showed the highest percentage (91.53 ± 0.38) of males and may be considered to be the best concentration among the selected concentrations for monosex tilapia production with T. terrestris seeds extract. The result of the study indicates that ethanolic extract of T. terrestris seeds may have potential for inducing sex reversal in fish and this biodegradable natural plant material may be used for monosex tilapia production instead of synthetic steroids. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proceedings of the Zoological Society Springer Journals

Production of Monosex All-Male Nile Tilapia Using Ethanol Extract of Tribulus terrestris Seeds

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Publisher
Springer Journals
Copyright
Copyright © Zoological Society, Kolkata, India 2017
Subject
Life Sciences; Life Sciences, general; Zoology; Animal Anatomy / Morphology / Histology; Animal Genetics and Genomics; Biodiversity; Conservation Biology/Ecology
ISSN
0373-5893
eISSN
0974-6919
DOI
10.1007/s12595-017-0254-7
Publisher site
See Article on Publisher Site

Abstract

Mixed sex juveniles of Nile tilapia (mean weight 0.025 ± 0.009 g; mean length 1.25 ± 0.012 cm) were subjected to dietary treatment (commercial fish feed, Tokyu, Japan, 30% crude protein) with ethanolic extract of Tribulus terrestris seeds at different concentrations (0.0, 2.0, 2.5, 3.0 g/kg feed) to evaluate the efficacy of the plant seed extract for induction of masculinisation in fish. Treatment with plant extract at different concentrations have resulted in significantly higher (P < 0.05) survival percentage compared to control indicating no adverse health effect of the plant extract. Fish fed diets containing the plant extract showed significantly higher (P < 0.05) percentage of males compared to fish fed control diet. Dietary supplementation with the plant extract at the concentration of 2.0 g/kg feed showed the highest percentage (91.53 ± 0.38) of males and may be considered to be the best concentration among the selected concentrations for monosex tilapia production with T. terrestris seeds extract. The result of the study indicates that ethanolic extract of T. terrestris seeds may have potential for inducing sex reversal in fish and this biodegradable natural plant material may be used for monosex tilapia production instead of synthetic steroids.

Journal

Proceedings of the Zoological SocietySpringer Journals

Published: Jun 28, 2020

References