{"id":99683,"date":"2010-12-03T00:00:00","date_gmt":"2010-12-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-comparativo-de-la-biologia-reproductora-del-atun-rojo-thunnus-thynnus-l-en-poblaciones-salvajes-y-en-cautividad\/"},"modified":"2010-12-03T00:00:00","modified_gmt":"2010-12-03T00:00:00","slug":"estudio-comparativo-de-la-biologia-reproductora-del-atun-rojo-thunnus-thynnus-l-en-poblaciones-salvajes-y-en-cautividad","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/histologia-animal\/estudio-comparativo-de-la-biologia-reproductora-del-atun-rojo-thunnus-thynnus-l-en-poblaciones-salvajes-y-en-cautividad\/","title":{"rendered":"Estudio comparativo de la biolog\u00eda reproductora del at\u00fan rojo, thunnus thynnus (l.) en poblaciones salvajes y en cautividad"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Lourdes Arag\u00f3n N\u00fa\u00f1ez <\/strong><\/h2>\n<p>El control de la reproducci\u00f3n de diversas especies de peces ha significado un paso definitivo para lograr su explotaci\u00f3n a escala comercial y el desarrollo de la acuicultura. El presente trabajo tiene como objetivo general el de contribuir al conocimiento de la reproducci\u00f3n del at\u00fan rojo (thunnus thynnus, l.) En cautividad, de forma espont\u00e1nea y mediante inducci\u00f3n hormonal, con el fin de conseguir cerrar su ciclo reproductor. Para ello, es fundamental estudiar la fisiolog\u00eda reproductora de la especie tanto en animales salvajes como en cautividad, para as\u00ed poder entender y solucionar las posibles disfunciones durante la maduraci\u00f3n gonadal. Adem\u00e1s, es necesaria una comprensi\u00f3n apropiada de los par\u00e1metros reproductores (especialmente maduraci\u00f3n sexual, fecundidad y puesta), as\u00ed como el estudio de la regulaci\u00f3n hormonal en el desarrollo gonadal y la puesta a punto de t\u00e9cnicas de control de la reproducci\u00f3n en cautividad. Mediante el estudio histol\u00f3gico cualitativo de las g\u00f3nadas, se evalu\u00f3 el estado de maduraci\u00f3n de los atunes tanto en cautividad como en el medio natural y a trav\u00e9s del uso de \u00edndices biom\u00e9tricos y la cuantificaci\u00f3n del n\u00famero de fol\u00edculos en distintas fases de desarrollo (m\u00e9todo estereol\u00f3gico), se obtuvieron resultados referentes al potencial reproductor de la especie, tanto en cautividad como en el medio natural. Asimismo, se realiz\u00f3 una valoraci\u00f3n de la efectividad del uso de los implantes hormonales como t\u00e9cnica para el control de la reproducci\u00f3n del at\u00fan rojo en cautividad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio comparativo de la biolog\u00eda reproductora del at\u00fan rojo, thunnus thynnus (l.) en poblaciones salvajes y en cautividad<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio comparativo de la biolog\u00eda reproductora del at\u00fan rojo, thunnus thynnus (l.) en poblaciones salvajes y en cautividad <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Lourdes Arag\u00f3n N\u00fa\u00f1ez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00e1diz<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/03\/2010<\/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>Antonio Medina Guerrero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda  Luisa Gonz\u00e1lez de canales garcia <\/li>\n<li>haritz joseba Arrizabalaga  de mingo (vocal)<\/li>\n<li>\u00e1ngel david Mac\u00edas l\u00f3pez (vocal)<\/li>\n<li>Fernando De la gandara garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lourdes Arag\u00f3n N\u00fa\u00f1ez El control de la reproducci\u00f3n de diversas especies de peces ha significado un paso [&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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