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dc.contributor.advisorSánchez Morán, Sara Susana
dc.contributor.advisorSánchez Morán, Sara Susana
dc.contributor.authorRodríguez Pilco, Mayda Lorena
dc.date.accessioned2022-05-02T16:04:08Z
dc.date.available2022-05-02T16:04:08Z
dc.date.issued2022
dc.identifier.urihttp://dspace.utb.edu.ec/handle/49000/11404
dc.descriptionThe present bibliographic review analyzes the alterations of energy metabolism in dairy cattle according to the bibliographic review. Metabolic disorders influence lactation, fertility performance and general health in cows, most commonly around calving and related to the transition from dry period to lactation. Although the nutrition and management of cows during the transition are constantly being improved, metabolic disorders are a major risk due to the demand placed on genetics to produce more milk. The conclusions determine that there are several disorders that affect dairy cows during the first month after calving, among which the most frequent and important are the following: acidosis, ketosis, fatty liver, displacement of curdling, hypocalcemia, downer cow syndrome , laminitis, retained placenta, metritis and mastitis; grazing cows with high body condition have an energy balance with ketosis and insulin resistance and cows with high plasma concentrations in the prepartum transition period have a higher risk of hyperglycemia; the biochemical pathways of energy metabolism of hepatic origin, which oxidize and synthesize nutrients, allow the dairy cow to meet the high energy requirements during the transition period, by increasing gluconeogenesis and beta oxidation. But when there is an imbalance between these two routes, mainly due to an excess in lipolysis or due to a lack of gluconeogenic substrates, metabolic alterations such as ketosis and fatty liver occur and a return to a positive energy balance with the consequent recovery of body condition. , is reached after the fifth week of lactation.es_ES
dc.descriptionThe present bibliographic review analyzes the alterations of energy metabolism in dairy cattle according to the bibliographic review. Metabolic disorders influence lactation, fertility performance and general health in cows, most commonly around calving and related to the transition from dry period to lactation. Although the nutrition and management of cows during the transition are constantly being improved, metabolic disorders are a major risk due to the demand placed on genetics to produce more milk. The conclusions determine that there are several disorders that affect dairy cows during the first month after calving, among which the most frequent and important are the following: acidosis, ketosis, fatty liver, displacement of curdling, hypocalcemia, downer cow syndrome , laminitis, retained placenta, metritis and mastitis; grazing cows with high body condition have an energy balance with ketosis and insulin resistance and cows with high plasma concentrations in the prepartum transition period have a higher risk of hyperglycemia; the biochemical pathways of energy metabolism of hepatic origin, which oxidize and synthesize nutrients, allow the dairy cow to meet the high energy requirements during the transition period, by increasing gluconeogenesis and beta oxidation. But when there is an imbalance between these two routes, mainly due to an excess in lipolysis or due to a lack of gluconeogenic substrates, metabolic alterations such as ketosis and fatty liver occur and a return to a positive energy balance with the consequent recovery of body condition. , is reached after the fifth week of lactation.es_ES
dc.description.abstractEsta revisión bibliográfica analiza las alteraciones del metabolismo energético en bovinos lecheros, los trastornos metabólicos influyen en la lactancia, desempeño de la fertilidad y salud en general en las vacas, siendo comúnmente alrededor del parto y se relacionan con la transición de periodo seco a la lactancia. Aunque constantemente se mejora la nutrición y el manejo de las vacas durante la transición, los trastornos metabólicos constituyen un importante riesgo debido a la exigencia sobre la genética de alta producción. Las conclusiones determinan trastornos que afectan a las vacas lecheras durante el primer mes después del parto, entre los cuales los más frecuentes e importantes son: acidosis, cetosis, hígado graso, desplazamiento de cuajar, hipocalcemia, síndrome de vaca caída, laminitis, retención de placenta, metritis y mastitis; las vacas a pastoreo con alta condición corporal presentan un balance energético con cetosis y resistencia insulínica y las vacas con altas concentraciones plasmáticas en el periodo de transición preparto poseen mayor riesgo de hiperglucemia; las rutas bioquímicas del metabolismo energético de origen hepático, que oxidan y sintetizan los nutrientes permiten a la vaca lechera afrontar los altos requerimientos energéticos durante el periodo de transición, mediante el aumento de la gluconeogénesis y la beta oxidación. Pero cuando hay un desequilibrio entre estas dos rutas, por un exceso en la lipolisis o por la falta de sustratos gluconeogénicos, se presentan cetosis e hígado graso, el retorno a un balance energético positivo con la consecuente recuperación de la condición corporal, se alcanza en la quinta semana de lactancia.es_ES
dc.format.extent27 p.es_ES
dc.language.isoeses_ES
dc.publisherBABAHOYO: UTB, 2022es_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Ecuador*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/ec/*
dc.subjectAlteracioneses_ES
dc.subjectMetabolismoes_ES
dc.subjectTransiciónes_ES
dc.subjectVacas lecherases_ES
dc.titleAlteraciones del metabolismo energético en bovinos lecheros según revisión bibliográficaes_ES
dc.typebachelorThesises_ES


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