Varadaraj, K. ; Pandian, T. J. (1991) Effect of solubilizing 17∝-ethynyltestosterone in three different solvents on sex reversal of Mozambique tilapia The Progressive Fish-Culturist, 53 (2). pp. 67-71. ISSN 0033-0779
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Official URL: http://www.informaworld.com/smpp/content~db=all~co...
Related URL: http://dx.doi.org/10.1577/1548-8640(1991)053<0067:EOSEIT>2.3.CO;2
Abstract
This study compares the efficiency of (1) dimethyl sulphoxide (DMSO) + ethanol, (2) ethanol, and (3) acetone + ethanol in solubilizing I7∝-ethynyltestosterone (ET) for treatments in the production of all-male Mozambique tilapias (Oreochroinis mossambicus). Dietary administration of 5 mg ET/kg solubilized in DMSO + ethanol for 11 d, 50 mg ET/kg in ethanol for 11 d, or 50 mg ET/kg in acetone + ethanol for 20 d (to 9-d-old fry) resulted in the production of all-male tilapia populations. The solvent DMSO + ethanol was effective in bringing out the maximum efficiency of ET hormone in the sex reversal of tilapias. The hormone significantly (P < 0.0005) improved growth of the sex-reversed fry. Use of DMSO + ethanol reduced the cost of hormone-treated feed for sex reversal.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Fisheries Society. |
| ID Code: | 39783 |
| Deposited On: | 17 May 2011 05:53 |
| Last Modified: | 17 May 2011 05:53 |
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