dc.contributor | Buitrago Horta, Edwin Ricardo, dir. | |
dc.creator | Peña Barajas, Mónica Milena | |
dc.date.accessioned | 2019-05-13T19:40:48Z | |
dc.date.available | 2019-05-13T19:40:48Z | |
dc.date.created | 2019-05-13T19:40:48Z | |
dc.date.issued | 2019 | |
dc.identifier | https://repository.udca.edu.co/handle/11158/1405 | |
dc.identifier | MV006 P25f 2019 (205512) | |
dc.description.abstract | The mare has for years been able to be a model of reproduction research of importance in veterinary medicine, over time great advances have been made on the hormonal and metabolic actions involved during the estrous cycle and crucially at the time of ovulation. The equine species has unique characteristics that make necessary the precise knowledge of the events that lead to the ovulation and maturation of the oocyte, all in order to achieve an adequate reproductive management. Close to ovulation, a series of hormonal and metabolic changes are carried out, which are crucial for the successful rupture of the follicular wall. This happens thanks to a gradual and progressive increase in luteinizing hormone (LH) and is characterized by the activation of several systems including endonucleases. This initial apoptotic surge occurs due to indiscriminate DNA degeneration and cell lysis, extravasation of blood cells, vascular collapse and local ischemia. In addition, proteolysis and cell removal cause a progressive narrowing of the ovarian wall, with the consequent formation of stigma and rupture of the follicular wall. Given the importance of the role played by hormonal and metabolic mechanisms in ovulation, it is necessary to collect information on the interaction between them, thus reconstructing a general panorama in order to understand the unleashing of this important event, thus being able to intervene in a way appropriate in the reproductive cycle of mares | |
dc.description.abstract | La yegua durante años ha logrado ser un modelo de investigación en la reproducción de importancia en veterinaria, con el tiempo se han logrado grandes avances sobre las acciones hormonales y metabólicas involucradas durante el ciclo estral y de manera crucial en el momento de la ovulación. La especie equina posee características únicas que hacen necesario el conocimiento preciso de los sucesos que conllevan a la ovulación y maduración del oocito, todo con el fin de lograr un adecuado manejo reproductivo. Cerca de la ovulación se ejercen una serie de cambios a nivel hormonal y metabólico que son cruciales para que se lleve a cabo de manera exitosa la ruptura de la pared folicular, este suceso se da gracias a un aumento gradual y progresivo de la hormona luteinizante (LH) y se caracteriza por la activación de varios sistemas incluyendo las endonucleasas. Esta oleada apoptótica inicial sucede por degeneración indiscriminada de ADN y lisis celular, extravasación de células sanguíneas, colapso vascular e isquemia local. Además, la proteólisis y la remoción celular causan un progresivo estrechamiento de la pared ovárica, con la consecuente formación del estigma y la ruptura de la pared folicular. Dada la importancia del papel que desempeñan los mecanismos hormonales y metabólicos en la ovulación se hace necesario recopilar información de la interacción entre ellos, reconstruyendo de esta manera un panorama general para poder entender el desencadenamiento de este importante evento, pudiendo de este modo intervenir de forma apropiada en el ciclo reproductivo de las yeguas | |
dc.language | spa | |
dc.publisher | Bogotá : Universidad de Ciencias Aplicadas y Ambientales, 2019 | |
dc.publisher | Facultad de Ciencias Agropecuarias | |
dc.publisher | Medicina Veterinaria | |
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dc.rights | https://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.rights | Atribución-NoComercial-CompartirIgual 4.0 Internacional (CC BY-NC-SA 4.0) | |
dc.rights | Derechos Reservados - Universidad de Ciencias Aplicadas y Ambientales | |
dc.title | Factores reproductivos y metabólicos que intervienen en el proceso de la ovulación de la yegua | |
dc.type | Trabajo de grado - Pregrado | |