{"id":81647,"date":"2018-03-10T00:05:33","date_gmt":"2018-03-10T00:05:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-citogenetico-y-de-la-deficiencia-de-adhesion-leucocitaria-bovina-en-toros-de-inseminacion-artificial\/"},"modified":"2018-03-10T00:05:33","modified_gmt":"2018-03-10T00:05:33","slug":"estudio-citogenetico-y-de-la-deficiencia-de-adhesion-leucocitaria-bovina-en-toros-de-inseminacion-artificial","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-citogenetico-y-de-la-deficiencia-de-adhesion-leucocitaria-bovina-en-toros-de-inseminacion-artificial\/","title":{"rendered":"Estudio citogenetico y de la deficiencia de adhesi\u00f3n leucocitaria bovina en toros de inseminaci\u00f3n artificial"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Schifferli Riquelme Carlos Antonio <\/strong><\/h2>\n<p>Se estudi\u00f3 la citogen\u00e9tica y la deficiencia de adhesi\u00f3n leucocitaria bovina, en toros pertenecientes a la cooperativa de inseminaci\u00f3n artificial del venado tuerto (ciavt) en argentina y en toros de movera. Espa\u00f1a.  se estudiaron los cromosomas de 25 holstein argentino y 1 polled hereford por t\u00e9cnicas manuales y de an\u00e1lisis digital de im\u00e1genes, cuya eficiencia se compara.  de \u00e9sta poblaci\u00f3n dos toros (7,49%) presentaron alteraciones cromos\u00f3micas, una de tipo num\u00e9rica correspondiente a un toro con quimerismo linfocitario 30,xy\/xx, con un 2,5% de mitosis linfocitarias con cariotipo 60,xx. Analizadas las tasas de no retorno al estro 60\/90 d\u00edas y el porcentaje de eyaculados descartados frescos y postdecongelados del toro quim\u00e9rico, se estableci\u00f3 que el rendimiento de dicho reproductor estaba disminu\u00eddo respecto a los valores medios de la cooperativa de inseminaci\u00f3n artificial.  de toro present\u00f3 una fractura de crom\u00e1tida en un cromosoma del par n\u00c2\u00ba 12 en un 3% de las mitosis analizadas. La tasa de fertilidad en primeros servicios de inseminaci\u00f3n artificial sobre vacas, de este toro coincidi\u00f3 con el promedio general del centro de inseminaci\u00f3n, aunque el porcentaje de eyaculados descartados en fresco y posdecongelados fueron mayores a los valores promedios del centro de inseminaci\u00f3n artificial. Por las razones se\u00f1aladas, la ciavt sacrific\u00f3 y elimin\u00f3 el semen congelado ambos toros.  los resultados obtenidos demuestran que los estudios citogen\u00e9ticos en reproductores son de gran utilidad para la detecci\u00f3n y eventual eliminaci\u00f3n de portadores de anomal\u00edas cromos\u00f3micas que se transmiten a la descendencia y\/o que afecten su rendimiento reproductivo.  para estudiar la deficiencia de adhesi\u00f3n leucocitaria bovina (blad se amplific\u00f3 la reacci\u00f3n en cadena de la polimerasa (pcr) un fragmento de 159 pares de bases, del gen secuenciado bovcd18a o itg (2, se concluye que no exist\u00edan toros portadores o enfermos de la blad e<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio citogenetico y de la deficiencia de adhesi\u00f3n leucocitaria bovina en toros de inseminaci\u00f3n artificial<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio citogenetico y de la deficiencia de adhesi\u00f3n leucocitaria bovina en toros de inseminaci\u00f3n artificial <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Schifferli Riquelme Carlos Antonio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/12\/1999<\/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>Mar\u00eda  Victoria Arruga Lavi\u00f1a<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pedro Alfonso ponce <\/li>\n<li>gustavo Maria leurino (vocal)<\/li>\n<li>demetris Savva (vocal)<\/li>\n<li>Miguel Gimeno dominguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Schifferli Riquelme Carlos Antonio Se estudi\u00f3 la citogen\u00e9tica y la deficiencia de adhesi\u00f3n leucocitaria bovina, en toros [&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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