{"id":154543,"date":"2026-01-12T17:12:59","date_gmt":"2026-01-12T17:12:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/manipulacion-hormonal-del-proceso-de-diferenciacion-sexual-en-el-salmon-del-pacifico\/"},"modified":"2026-01-12T17:12:59","modified_gmt":"2026-01-12T17:12:59","slug":"manipulacion-hormonal-del-proceso-de-diferenciacion-sexual-en-el-salmon-del-pacifico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/manipulacion-hormonal-del-proceso-de-diferenciacion-sexual-en-el-salmon-del-pacifico\/","title":{"rendered":"Manipulacion hormonal del proceso de diferenciacion sexual en el salmon del pacifico."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francesc Piferrer Circuns <\/strong><\/h2>\n<p>Se desarrollaron tecnicas de tratamiento hormonal para el control del proceso de diferenciacion sexual en dos especies de salmon del pacifico, oncorhynchus kisutch y o. Tshawytscha. Estas tecnicas requieren el minimo de intervencion posible y no afectan a la supervivencia y crecimiento de los animales tratados. Asimismo, se estudio el efecto de varios esteroides sobre el proceso de formacion gonadal, para lo cual en primer lugar se determino el proceso normal de diferenciacion sexual. El periodo labil al tratamiento con esteroides fue delimitado entre el momento de la eclosion del huevo y los primeros dias del estadio alevin. Se compararon los efectos que sobre el fenotipo resultante tenian diversos androgenos y estrogenos, tanto naturales como sinteticos.  se sugiere que la feminizacion paradojica se debe a la aromatizacion de ciertos androgenos a estrogeno y no a la inhibicion de la biosintesis del androgeno endogeno. Se propone el uso de 17-alfa-metildihidrotestosterona como el androgeno estandar para el control hormonal del sexo en teleosteos. Las tasas de incorporacion y eliminacion de esteroides sexuales son inversamente proporcionales al contenido en vitelo a lo largo de la ontogenesis.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Manipulacion hormonal del proceso de diferenciacion sexual en el salmon del pacifico.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Manipulacion hormonal del proceso de diferenciacion sexual en el salmon del pacifico. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francesc Piferrer Circuns <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1991<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Edward Mossop Donaldson<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jacinto Nadal Puigdefabregas <\/li>\n<li>Silvia Zanuy Doste (vocal)<\/li>\n<li>Merce Durfort Coll (vocal)<\/li>\n<li>Ramon Rodriguez Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francesc Piferrer Circuns Se desarrollaron tecnicas de tratamiento hormonal para el control del proceso de diferenciacion sexual [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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