{"id":9674,"date":"2018-03-09T00:15:04","date_gmt":"2018-03-09T00:15:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/2018\/03\/09\/estudio-de-modificaciones-hetmatologicas-bioqua%c2%admicas-y-hormonales-producidas-por-el-estres-pre-sacrificio-en-terneros-y-su-relacion-con-el-ph-final-de-la-carne\/"},"modified":"2018-03-09T00:15:04","modified_gmt":"2018-03-09T00:15:04","slug":"estudio-de-modificaciones-hetmatologicas-bioqua%c2%admicas-y-hormonales-producidas-por-el-estres-pre-sacrificio-en-terneros-y-su-relacion-con-el-ph-final-de-la-carne","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/patologia-animal\/estudio-de-modificaciones-hetmatologicas-bioqua%c2%admicas-y-hormonales-producidas-por-el-estres-pre-sacrificio-en-terneros-y-su-relacion-con-el-ph-final-de-la-carne\/","title":{"rendered":"Estudio de modificaciones hetmatol\u00f3gicas, bioqu\u00edmicas y hormonales producidas por el estr\u00e9s pre-sacrificio en terneros y su relaci\u00f3n con el ph final de la carne."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Sanz Lorenzo Mar\u00eda Carmen <\/strong><\/h2>\n<p>La memoria estudia la respuesta fisiol\u00f3gica al estr\u00e9s pre-sacrificio en terneros de las razonas parda alpina y pirenaica y su relaci\u00f3n con la aparici\u00f3n de carnes de ph elevado.  se utilizan 66 animales machos de 460 kg de peso vivo. Lote i o estresado: los terneros, una vez en matadero, permanecen reagrupados con animales desconocidos por 16-18 horas antes del sacrificio. Lote ii o testigo: terneros sacrificados inmediatamente tras su llegada al matadero. En todos ellos se toman muestras antes del estr\u00e9s y en el momento del sacrificio.  se realizan determinaciones hematol\u00f3gicas (concentraci\u00f3n de hemoglobina, valor hematocrito y f\u00f3rmula leucocitaria), bioqu\u00edmicas (prote\u00ednas totales, alb\u00famina, globulinas, glucosa, colesterol, urea, creatinina, \u00e1cido l\u00e1ctico, ck, ldh, ast, alt, cloro, sodio, potasio, magnesio, f\u00f3sforo y calcio) y hormonales (cortisol en plasma y orina, p-endorfina plasm\u00e1tica y metabolitos de aminas bi\u00f3genas: mhpg, dopac, hva, 5-hiaa y vma). Se analiza la concentraci\u00f3n de gluc\u00f3geno en los m\u00fasculas longissimus dorsi, esternomandibular, recto interno y diafragma, y se mide el ph final en m\u00fasculo longissimus 24 horas post-sacrificio.  el manejo aplicado a los animales del lote ii supone un importante estr\u00e9s f\u00edsico y ps\u00edquico, como lo demuestran las m\u00faltiples modificaciones observadas en los \u00edndices directos e indirectos de estr\u00e9s evaluados (incrementos en hemoglobina y hematocrito e inversi\u00f3n de f\u00f3rmula leucocitaria; aumentos significativos en la concentraci\u00f3n de pt, glucosa, colesterol, urea, creatinina, \u00e1cido l\u00e1ctico, enzimas musculares, cortisol en plasma y orina y 5-hiaa. En general, la respuesta de estr\u00e9s manifestada por los terneros ha sido muy similar en las dos razas estudiadas. De todos los sistemas neuroendocrinos evaluados cabe destacar la respuesta observada en el sistema serotomin\u00e9rgico, que ha demostrado una clara activaci\u00f3n en casi todos los individuos estresados.  aparecen carnes dfd o de ph elevado<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de modificaciones hetmatol\u00f3gicas, bioqu\u00edmicas y hormonales producidas por el estr\u00e9s pre-sacrificio en terneros y su relaci\u00f3n con el ph final de la carne.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de modificaciones hetmatol\u00f3gicas, bioqu\u00edmicas y hormonales producidas por el estr\u00e9s pre-sacrificio en terneros y su relaci\u00f3n con el ph final de la carne. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Sanz Lorenzo Mar\u00eda Carmen <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/03\/1995<\/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 Teresa Verde Arribas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Santiago Lav\u00edn gonz\u00e1lez <\/li>\n<li>isabel Idoate cervantes (vocal)<\/li>\n<li>carmen Marca andr\u00e9s (vocal)<\/li>\n<li>Jos\u00e9 Antonio Beltr\u00e1n gracia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sanz Lorenzo Mar\u00eda Carmen La memoria estudia la respuesta fisiol\u00f3gica al estr\u00e9s pre-sacrificio en terneros de las 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