{"id":113561,"date":"2018-03-11T10:41:03","date_gmt":"2018-03-11T10:41:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estrategias-para-mejorar-la-fertilidad-y-prolificidad-del-semen-criopreservado-en-la-especie-porcina-utilizando-la-inseminacion-intrauterina-profunda\/"},"modified":"2018-03-11T10:41:03","modified_gmt":"2018-03-11T10:41:03","slug":"estrategias-para-mejorar-la-fertilidad-y-prolificidad-del-semen-criopreservado-en-la-especie-porcina-utilizando-la-inseminacion-intrauterina-profunda","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/reproduccion-animal\/estrategias-para-mejorar-la-fertilidad-y-prolificidad-del-semen-criopreservado-en-la-especie-porcina-utilizando-la-inseminacion-intrauterina-profunda\/","title":{"rendered":"Estrategias para mejorar la fertilidad y prolificidad del semen criopreservado en la especie porcina utilizando la inseminaci\u00f3n intrauterina profunda"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alfonso Bolarin Guillen <\/strong><\/h2>\n<p>Con el objetivo de mejorar la eficiencia reproductiva de los espermatozoides criopreservados (ec) de porcino, se realizaron 6 experimentos de campo (877 cerdas) para (1) reducir el n\u00famero de ec por dosis de inseminaci\u00f3n artificial (ia) y (2) precisar factores que expliquen la variabilidad entre granjas en la fertilidad de ec. Los resultados demostraron que (1) la fertilidad de ec depende m\u00e1s del intervalo inseminaci\u00f3n-ovulaci\u00f3n que del n\u00famero de ec por dosis de ia, alcanz\u00e1ndose alta fertilidad inseminando dentro de las 4-8 h previas a la ovulaci\u00f3n con 1.000 x 106 de ec depositados mediante inseminaci\u00f3n intrauterina profunda. (2) la variabilidad entre granjas en la fertilidad de ec estar\u00eda relacionada con diferencias en el intervalo inseminaci\u00f3n-ovulaci\u00f3n entre granjas. (3) las diferencias entre estaciones en la fertilidad de ec (menor en verano-oto\u00f1o que en invierno-primavera) estar\u00eda relacionada con diferencias en el intervalo inicio del estro-ovulaci\u00f3n entre ambos periodos del a\u00f1o. palabras clave: porcino, espermatozoides criopreservados, inseminaci\u00f3n intrauterina profunda, ecograf\u00eda trans-rectal, ovarios, fol\u00edculos pre-ovulatorios, ovulaci\u00f3n, estacionalidad.   with the aim of improving reproductive efficiency of boar cryopreserved spermatozoa (ce), 6 field experiments were performed (877 sows) in order to (1) reduce the number of ce per artificial insemination (ai) dose, and (2) determine factor that may explain the variability found between farms in fertility of ce. Results showed that (1) fertility of ce is more influenced by the insemination-ovulation interval rather than by the number of ce per insemination dose, attaining high fertility in inseminations within 4-8 h before ovulation with 1.000 x 106 ce inseminated using deep intrauterine insemination. (2) variability of fertility among farms with ce is related to differences in the insemination-ovulation interval between farms. (3) differences of fertility of ce among seasons (lower in summer-autumn than in winter-spring) are related to differences in beginning of estrus-ovulation interval among both periods of the year. key words: swine, cryopreserved spermatozoa, intrauterine insemination, trans-rectal ultrasonography, ovary, pre-ovulatory follicles, ovulation, seasonality.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estrategias para mejorar la fertilidad y prolificidad del semen criopreservado en la especie porcina utilizando la inseminaci\u00f3n intrauterina profunda<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estrategias para mejorar la fertilidad y prolificidad del semen criopreservado en la especie porcina utilizando la inseminaci\u00f3n intrauterina profunda <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alfonso Bolarin Guillen <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/12\/2012<\/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>Jordi Roca Aleu<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Anel rodr\u00edguez <\/li>\n<li>pedro Jos\u00e9 Garcia herradon (vocal)<\/li>\n<li>enrique G\u00f3mez pi\u00f1eiro (vocal)<\/li>\n<li>Fernando Juan Pe\u00f1a vega (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alfonso Bolarin Guillen Con el objetivo de mejorar la eficiencia reproductiva de los espermatozoides criopreservados (ec) de [&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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