Effects of dietary androstenedione concentration on growth of tilapia fry (Oreochromis aureus Linnaeus)

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dc.contributor.authorTuran, Funda
dc.contributor.authorGurlek, Mevlut
dc.contributor.authorTuran, Cemal
dc.date.accessioned2012-01-19T20:19:49Z
dc.date.available2012-01-19T20:19:49Z
dc.date.issued2007
dc.description.abstractThe effects of androstenedione on the growth, body composition, and survival of tilapia (Oreochromis aureus) fry were examined. Diets were supplemented by one of three androstene- dione concentrations (50, 100, or 200 mg/kg) for twelve weeks. The growth rate significantly increased in fish fed 50 mg androstenedione per kg compared to the control (p<0.01) but decreased dramatically at concentrations beyond 50 mg/kg. The specific growth rate, protein efficiency ratio, and food conversion ratio were significantly better in the 50 mg/kg group than in the other groups. Crude protein and survival at all androstenedione levels did not significantly differ from those of the control but lipid content dropped with 100 mg/kg supplementation.
dc.format.extent4 pages
dc.identifier.citationTuran, F., Gurlek, M., & Turan, C. (2007). Effects of dietary androstenedione concentration on growth of tilapia fry (Oreochromis aureus Linnaeus). The Israeli Journal of Aquaculture - Bamidgeh, 59(1), 32-35.
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/19206
dc.publisherIsraeli Journal of Aquaculture - BAMIGDEH
dc.relation.ispartofseriesThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjecttilapia, Oreochromis aureus, androstenedione, steroid hormones, growth
dc.subject.lcshFish culture--Israel--Periodicals.
dc.subject.lcshFish culture--Periodicals.
dc.subject.lcshAquaculture--Israel--Periodicals.
dc.subject.lcshAquaculture--Periodicals.
dc.titleEffects of dietary androstenedione concentration on growth of tilapia fry (Oreochromis aureus Linnaeus)

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IJA Volume 59, Issue 1, 2007