{"id":55114,"date":"2018-03-09T22:42:51","date_gmt":"2018-03-09T22:42:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/seleccion-y-caracterizacion-de-cepas-probioticas-para-la-prevencion-de-la-forunculosis-en-trucha-comun-salmo-trutta-fario\/"},"modified":"2018-03-09T22:42:51","modified_gmt":"2018-03-09T22:42:51","slug":"seleccion-y-caracterizacion-de-cepas-probioticas-para-la-prevencion-de-la-forunculosis-en-trucha-comun-salmo-trutta-fario","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/microbiologia-veterinaria\/seleccion-y-caracterizacion-de-cepas-probioticas-para-la-prevencion-de-la-forunculosis-en-trucha-comun-salmo-trutta-fario\/","title":{"rendered":"Selecci\u00f3n y caracterizaci\u00f3n de cepas probi\u00f3ticas para la prevenci\u00f3n de la forunculosis en trucha com\u00fan (salmo trutta fario)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Luis Balcazar Rojas <\/strong><\/h2>\n<p>Existen numerosos estudios que han demostrado que el uso indiscriminado de antibi\u00f3ticos especialmente en la alimentaci\u00f3n animal est\u00e1 originando serios problemas de resistencia bacteriana. Como resultado de la resistencia bacteriana y la dificultad para el tratamiento de las enfermedades se est\u00e1n investigando diversas estrategias alternativas para el control y la prevenci\u00f3n de las mismas. Uno de las estrategias que est\u00e1 adquiriendo progresivamente un amplio reconocimiento para el control de pat\u00f3genos, no solamente en medicina humana sino tambi\u00e9n en medicina veterinaria, es el uso de probi\u00f3ticos.  en este contexto, el presente trabajo de investigaci\u00f3n se ha enfocado en la selecci\u00f3n y caracterizaci\u00f3n de cepas bacterianas con propiedades probi\u00f3ticas para la prevenci\u00f3n de la forunculosis en la trucha com\u00fan, una de las enfermedades con mayor impacto en el cultivo de salm\u00f3nidos. Para ello, se ha considerado como criterio inicial la capacidad de producir sustancias inhibitorias frente a diversos agentes pat\u00f3genos, la adhesi\u00f3n y exclusi\u00f3n competitiva en el mucus intestinal, la tolerancia a bajas condiciones de ph y la supervivencia a elevadas concentraciones de bilis.  posteriormente, las cepas seleccionadas e identificadas gen\u00e9ticamente como lactococcus lactis subsp. Lactis, lactobacillus sakei y leuconostoc mesenteroides fueron administradas de forma independiente en el pienso a dos especies de salm\u00f3nidos (trucha com\u00fan y trucha arco iris). Los resultados demostraron la capacidad de colonizaci\u00f3n y efectos positivos sobre la respuesta inmune celular y humoral, logrando as\u00ed reducir la incidencia de la forunculosis cuando fueron infectadas experimentalmente.  en base a estos resultados, el tratamiento mediante la administraci\u00f3n de probi\u00f3ticos ofrece una alternativa viable frente al uso indiscriminado de antibi\u00f3ticos en acuicultura.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Selecci\u00f3n y caracterizaci\u00f3n de cepas probi\u00f3ticas para la prevenci\u00f3n de la forunculosis en trucha com\u00fan (salmo trutta fario)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Selecci\u00f3n y caracterizaci\u00f3n de cepas probi\u00f3ticas para la prevenci\u00f3n de la forunculosis en trucha com\u00fan (salmo trutta fario) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Luis Balcazar Rojas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/10\/2006<\/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>Imanol Ruiz Zarzuela<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: fernando Real valcarcel <\/li>\n<li>Jos\u00e9 Luis Muzquiz moracho (vocal)<\/li>\n<li>Carlos Pereira dopazo (vocal)<\/li>\n<li>Jos\u00e9 agustin Guijarro atienza (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Luis Balcazar Rojas Existen numerosos estudios que han demostrado que el uso indiscriminado de antibi\u00f3ticos especialmente [&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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