Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle

This research compared pregnancy percentages when using frozen semen and chilled semen in a seasonal mating program with fixed term artificial insemination (FTAI) in Brahman cattle. Semen was collected from a Brahman bull with confirmed fertility, identified sperm characteristics, and complete repro...

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Main Authors: Porras Vargas, Jose Luis, Maldonado Castro, Gerardo Antonio, RODRIGUEZ MOLANO, CARLOS EDUARDO
Format: Online
Language:spa
Published: Universidad Pedagógica y Tecnológica de Colombia 2024
Subjects:
Online Access:https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/15896
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author Porras Vargas, Jose Luis
Maldonado Castro, Gerardo Antonio
RODRIGUEZ MOLANO, CARLOS EDUARDO
author_facet Porras Vargas, Jose Luis
Maldonado Castro, Gerardo Antonio
RODRIGUEZ MOLANO, CARLOS EDUARDO
author_sort Porras Vargas, Jose Luis
collection OJS
description This research compared pregnancy percentages when using frozen semen and chilled semen in a seasonal mating program with fixed term artificial insemination (FTAI) in Brahman cattle. Semen was collected from a Brahman bull with confirmed fertility, identified sperm characteristics, and complete reproductive examination. A total of 140 Brahman cows were selected and divided into two groups of 70 cows each as follows: group 1 was inseminated with frozen semen and group 2 was inseminated with refrigerated semen. The frozen semen was collected by electroejaculation, evaluating its characteristics and conserving it in liquid nitrogen for 3 months until its use in the IATF program. The refrigerated semen was collected on the day of the IATF program, evaluating the characteristics of the semen, diluting it and refrigerating it until its use in the IATF. The pregnancy diagnosis was made 45 days post service by means of rectal palpation and ultrasonography, obtaining a pregnancy percentage of 41.42% with frozen semen and 60% with refrigerated semen. It was concluded that the refrigerated semen presented better semen characteristics and achieved the highest pregnancy rate.
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spelling oai:oai.revistas.uptc.edu.co:article-158962024-05-15T09:53:47Z Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle Evaluación De Protocolos Iatf Con Semen Congelado Frente Refrigerado En Bovinos Brahman Porras Vargas, Jose Luis Maldonado Castro, Gerardo Antonio RODRIGUEZ MOLANO, CARLOS EDUARDO criopreservación, eyaculación, gestación, semen congelado, semen refrigerado. cryopreservation, ejaculation, gestation, seminal characteristics This research compared pregnancy percentages when using frozen semen and chilled semen in a seasonal mating program with fixed term artificial insemination (FTAI) in Brahman cattle. Semen was collected from a Brahman bull with confirmed fertility, identified sperm characteristics, and complete reproductive examination. A total of 140 Brahman cows were selected and divided into two groups of 70 cows each as follows: group 1 was inseminated with frozen semen and group 2 was inseminated with refrigerated semen. The frozen semen was collected by electroejaculation, evaluating its characteristics and conserving it in liquid nitrogen for 3 months until its use in the IATF program. The refrigerated semen was collected on the day of the IATF program, evaluating the characteristics of the semen, diluting it and refrigerating it until its use in the IATF. The pregnancy diagnosis was made 45 days post service by means of rectal palpation and ultrasonography, obtaining a pregnancy percentage of 41.42% with frozen semen and 60% with refrigerated semen. It was concluded that the refrigerated semen presented better semen characteristics and achieved the highest pregnancy rate. La presente investigación comparo los porcentajes de preñez al usar un semen congelado y semen refrigerado en un programa de monta estacional con inseminación artificial a término fijo (IATF) en ganado Brahman. Se extrajo semen de un toro raza Brahman con fertilidad confirmada, calidad seminal y examen reproductivo completo. Se seleccionaron 140 vacas raza Brahman y se dividieron en dos grupos cada uno de 70 vacas así:  el grupo 1 se insemino con semen congelado y en el grupo 2 se insemino con semen refrigerado. El semen congelado se colecto por electroeyaculado, evaluando su calidad y conservándolo en nitrógeno líquido por 3 meses hasta su uso en el programa de IATF. El semen refrigerado, se colectó el día del programa del IATF, evaluando su calidad seminal, diluyéndolo y refrigerándolo hasta su uso en el IATF. El diagnóstico de la preñez se hizo 45 días post servicio por medio de palpación rectal y ultrasonografía, obteniendo un porcentaje de preñez del 41,42% con el semen congelado y del 60% con semen refrigerado. Se concluye que el semen refrigerado presento mejor calidad y logro la mayor tasa de preñez. Universidad Pedagógica y Tecnológica de Colombia 2024-04-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf application/pdf https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/15896 10.19053/01217488.v15.n1.2024.15896 Ciencia En Desarrollo; Vol. 15 No. 1 (2024): Vol 15, Núm.1 (2024): Enero-Junio; 23-29 Ciencia en Desarrollo; Vol. 15 Núm. 1 (2024): Vol 15, Núm.1 (2024): Enero-Junio; 23-29 2462-7658 0121-7488 spa https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/15896/14056 https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/15896/14061
spellingShingle criopreservación, eyaculación, gestación, semen congelado, semen refrigerado.
cryopreservation, ejaculation, gestation, seminal characteristics
Porras Vargas, Jose Luis
Maldonado Castro, Gerardo Antonio
RODRIGUEZ MOLANO, CARLOS EDUARDO
Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title_alt Evaluación De Protocolos Iatf Con Semen Congelado Frente Refrigerado En Bovinos Brahman
title_full Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title_fullStr Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title_full_unstemmed Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title_short Evaluation Of Iatf Protocols With Frozen Vs. Chilled Semen In Brahman Cattle
title_sort evaluation of iatf protocols with frozen vs chilled semen in brahman cattle
topic criopreservación, eyaculación, gestación, semen congelado, semen refrigerado.
cryopreservation, ejaculation, gestation, seminal characteristics
topic_facet criopreservación, eyaculación, gestación, semen congelado, semen refrigerado.
cryopreservation, ejaculation, gestation, seminal characteristics
url https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/15896
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