Masculinization of Convict Cichlid (Cichlasoma nigrofasciatum) by immersion in Tribulus terrestris extract

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dc.contributor.authorCek, Sehriban
dc.contributor.authorTuran, Funda
dc.contributor.authorAtik, Esin
dc.date.accessioned2024-09-18T20:11:26Z
dc.date.available2024-09-18T20:11:26Z
dc.date.issued2007
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractWe have examined the effects of Tribulus terrestris (TT), a non-toxic herb, on sex reversal in the Convict Cichlid Cichlasoma nigrofasciatum with the aim of introducing a new environmentally friendly method for masculinization in C. nigrofasciatum. TT is a natural plant product that elevates the testosterone levels in humans and animals. Different concentrations (0.0, 0.10, 0.20 and 0.30 g/l) of TT extract were tested for their effect on sex reversal in C nigrofasciatum by immersing newly hatched offspring once weekly for 2 months in TT extract. Of the dosages used in the present study, 0.30 g/l TT was the most effective in terms of masculinization, resulting in a maximum male ratio of 87.23% (P < 0.001). Sex ratios of 79 and 85% at 0.10 and 0.20 g/l TT, respectively, were also significantly different from the expected 1:1 ratio (P < 0.001). Histological examinations revealed that the testes of fish treated with TT extract contained all stages of spermatogenesis, clearly demonstrating that the administration of TT extract to C. nigrofasciatum stimulated spermatogenesis. Total survival rates in all treatments and the control were uniformly high, ranging from 88.57 to 90% (P > 0.05). We concluded that TT had no negative effect on the survival rate of C nigrofasciatum. In addition, all groups of TT-treated fish exhibited successful growth acceleration compared to the control group, but only the 0.30 g/l TT treatment significantly improved the growth rate of C nigrofasciatum. (P < 0.01.). Sex reversal in C. nigrofasciatum demonstrated that TT-treated 0-day-old larvae showed successful sex reversal, spermatogenesis and a better growth rate than untreated progenies.en_US
dc.identifier.doi10.1007/s10499-006-9071-0
dc.identifier.endpage119en_US
dc.identifier.issn0967-6120
dc.identifier.issn1573-143X
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-34247232725en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage109en_US
dc.identifier.urihttps://doi.org/10.1007/s10499-006-9071-0
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8849
dc.identifier.volume15en_US
dc.identifier.wosWOS:000246264900002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofAquaculture Internationalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCichlasoma nigrofasciatumen_US
dc.subjectgrowthen_US
dc.subjecthistologyen_US
dc.subjectsex reversalen_US
dc.subjectTribulus terrestrisen_US
dc.titleMasculinization of Convict Cichlid (Cichlasoma nigrofasciatum) by immersion in Tribulus terrestris extracten_US
dc.typeArticleen_US

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