Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers
With the objective of collaborating to national information about reproductive management schemes in cattle, results of a program of artificial insemination (AI) in beef heifers synchronized with Prostaglandin and inseminated after heat detection are presented. A total of 378 heifers Hereford, Aberdeen Angus and their crosses were used in a protocol which consisted of detection of estrus and IA for 6 days, administration of prostaglandin F2á (PG) at the 7th day and detection of estrus and IA for 5 days. Detection of estrus, conception and pregnancy rates were calculated on the 12 days that lasted the work. The percentage of estrus detection was 87%, of conception (pregnant over inseminated) was 72%t and pregnancy (pregnant over offered) was 63%. Peak estrus occurrence after PG was at 48 to 72 hours of treatment (24.1-20.4%, respectively).
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Sociedad de Medicina Veterinaria del Uruguay (SMVU)
2012
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rev-smvu-uy-article-2072019-10-23T18:34:17Z Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers Sincronización de celos con Prostaglandina F2α e Inseminación Artificial a celo visto en vaquillonas de carne Mérola, D. Cuelho, N. Vázquez, A. Cavestany, D. Sincronización de celos Prostaglandinas Inseminación artificial Ganado de carne Artificial insemination Prostaglandins Beef cattle Estrus Synchronization With the objective of collaborating to national information about reproductive management schemes in cattle, results of a program of artificial insemination (AI) in beef heifers synchronized with Prostaglandin and inseminated after heat detection are presented. A total of 378 heifers Hereford, Aberdeen Angus and their crosses were used in a protocol which consisted of detection of estrus and IA for 6 days, administration of prostaglandin F2á (PG) at the 7th day and detection of estrus and IA for 5 days. Detection of estrus, conception and pregnancy rates were calculated on the 12 days that lasted the work. The percentage of estrus detection was 87%, of conception (pregnant over inseminated) was 72%t and pregnancy (pregnant over offered) was 63%. Peak estrus occurrence after PG was at 48 to 72 hours of treatment (24.1-20.4%, respectively). Con el objetivo de colaborar a la información nacional sobre esquemas de manejo reproductivo en bovinos, se presentan los resultados de un trabajo de inseminación artificial (IA) en vaquillonas de carne, con un esquema de detección de celos y sincronización con Prostaglandina. Se utilizaron 378 vaquillonas de raza Hereford, Aberdeen Angus y sus cruzas en un protocolo que consistió en detección de celo e IA durante 6 días, administración de Prostaglandina F2á (PG) al día 7 y detección de celo e IA por 5 días más. Los porcentajes de detección de celos, concepción y preñez se calcularon sobre los 12 días que duró el trabajo. El porcentaje de detección de celos fue de 87%, el de concepción (preñadas sobre inseminadas) fue del 72% y el de preñez (preñadas sobre ofrecidas) fue del 63%. El pico de ocurrencia de celos luego de la PG fue a las 48 y 72 horas del tratamiento (24,1% y 20,4%, respectivamente). Sociedad de Medicina Veterinaria del Uruguay (SMVU) 2012-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed. Evaluado por pares. Revisado por pares. application/pdf https://www.revistasmvu.com.uy/index.php/smvu/article/view/207 Veterinaria (Montevideo); Vol. 48 No. 187 (2012): September; 31-32 Veterinaria (Montevideo); Vol. 48 Núm. 187 (2012): Setiembre; 31-32 Veterinaria (Montevideo); v. 48 n. 187 (2012): Setembro; 31-32 1688-4809 0376-4362 spa https://www.revistasmvu.com.uy/index.php/smvu/article/view/207/136 Derechos de autor 2012 Sociedad de Medicina Veterinaria del Uruguay |
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Biblioteca de la Facultad de Veterinaria de la UDELAR de UY |
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Digital |
| author |
Mérola, D. Cuelho, N. Vázquez, A. Cavestany, D. |
| spellingShingle |
Mérola, D. Cuelho, N. Vázquez, A. Cavestany, D. Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| author_facet |
Mérola, D. Cuelho, N. Vázquez, A. Cavestany, D. |
| author_sort |
Mérola, D. |
| title |
Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| title_short |
Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| title_full |
Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| title_fullStr |
Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| title_full_unstemmed |
Estrus Synchronization With Prostaglandin F2α and Artificial Insemination After Detected Estrus in Beef Heifers |
| title_sort |
estrus synchronization with prostaglandin f2α and artificial insemination after detected estrus in beef heifers |
| description |
With the objective of collaborating to national information about reproductive management schemes in cattle, results of a program of artificial insemination (AI) in beef heifers synchronized with Prostaglandin and inseminated after heat detection are presented. A total of 378 heifers Hereford, Aberdeen Angus and their crosses were used in a protocol which consisted of detection of estrus and IA for 6 days, administration of prostaglandin F2á (PG) at the 7th day and detection of estrus and IA for 5 days. Detection of estrus, conception and pregnancy rates were calculated on the 12 days that lasted the work. The percentage of estrus detection was 87%, of conception (pregnant over inseminated) was 72%t and pregnancy (pregnant over offered) was 63%. Peak estrus occurrence after PG was at 48 to 72 hours of treatment (24.1-20.4%, respectively). |
| publisher |
Sociedad de Medicina Veterinaria del Uruguay (SMVU) |
| publishDate |
2012 |
| url |
https://www.revistasmvu.com.uy/index.php/smvu/article/view/207 |
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