Evaluation of different methods of synchronization of estrus in sheep
In order to study the comparative effect of three techniques of oestrus synchronization and lambing concentration, 100 Corriedale ewes were randomly allotted to 4 groups of 25 ewes each, which were identified as follows: group C, trial group; group F, ewes exposed to a ram fitted with a harness, hen...
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Facultad de Ciencias Agropecuarias
1991
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/agris/article/view/2247 |
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I10-R352-article-22472025-06-12T15:57:44Z Evaluation of different methods of synchronization of estrus in sheep Evaluación de distintos métodos de sincronización de celos en ovinos Barioglio, C. Varela, L. Ventura, J. Arnaudo, R. Bonardi, C. Campos, M. Rodríguez, T. sheep estrus synchronization prostaglandins pheromones ovinos sincronización de celos prostaglandinas feromonas In order to study the comparative effect of three techniques of oestrus synchronization and lambing concentration, 100 Corriedale ewes were randomly allotted to 4 groups of 25 ewes each, which were identified as follows: group C, trial group; group F, ewes exposed to a ram fitted with a harness, hence incapable of servicing; group T, ewes exposed to a ram fitted with a harness and treated with 2 doses of testosterone injected 5 days apart; and group P, ewes exposed to a ram fitted with a harness and treated with 2 doses of PG F2α. There was no contact among the groups for 15 days prior to the service. Later, the 4 groups were put together and the ewes were exposed to 10 rams for 60 days. The Kruskal-Wallis test was used to determine the effect of the treatment on early parturitions. Multiple comparison analyses were later made. A statistical analysis with contingency tables and a χ² test at 95% confidence level was used to determine differences in lambing concentration. Con el objeto de estudiar el efecto comparativo de 3 técnicas de sincronización de celo y concentración de pariciones, 100 ovejas de la raza Corriedale fueron dispuestas al azar en 4 grupos de 25 animales cada uno, que se identificaron como grupo C, testigo; grupo F, ovejas expuestas durante 15 días a un macho entero imposibilitado de efectuar el servicio mediante un arnés; grupo T, ovejas expuestas a un macho entero con arnés e inyectado con 2 dosis de testosterona, administradas con un intervalo de 5 días entre cada una; y grupo P, ovejas expuestas a un macho similar al F, e inyectadas con 2 dosis de PG F2α. De acuerdo a los resultados obtenidos, no hubo diferencias de fertilidad en los respectivos tratamientos. En cambio, las ovejas del tratamiento P adelantaron significativamente las pariciones en relación a los otros 3 tratamientos (P ≤ 0,05), ya que a los 160 días de iniciados los servicios parió el 96% de las ovejas del grupo P. Los grupos C, F y T presentaron porcentajes de parición de 12,5; 28 y 68%, respectivamente. Facultad de Ciencias Agropecuarias 1991-12-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unc.edu.ar/index.php/agris/article/view/2247 10.31047/1668.298x.v8.n0.2247 AgriScientia; ##issue.vol## 8 (1991); 37-40 AgriScientia; Vol. 8 (1991); 37-40 1668-298X 10.31047/1668.298x.v8.n0 spa https://revistas.unc.edu.ar/index.php/agris/article/view/2247/1196 Derechos de autor 1991 C. Barioglio, L. Varela, J Ventura, R. Arnaudo, C. Bonardi, M. Campos, T. Rodríguez https://creativecommons.org/licenses/by-sa/4.0 |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-352 |
| container_title_str |
AgriScientia |
| language |
Español |
| format |
Artículo revista |
| topic |
sheep estrus synchronization prostaglandins pheromones ovinos sincronización de celos prostaglandinas feromonas |
| spellingShingle |
sheep estrus synchronization prostaglandins pheromones ovinos sincronización de celos prostaglandinas feromonas Barioglio, C. Varela, L. Ventura, J. Arnaudo, R. Bonardi, C. Campos, M. Rodríguez, T. Evaluation of different methods of synchronization of estrus in sheep |
| topic_facet |
sheep estrus synchronization prostaglandins pheromones ovinos sincronización de celos prostaglandinas feromonas |
| author |
Barioglio, C. Varela, L. Ventura, J. Arnaudo, R. Bonardi, C. Campos, M. Rodríguez, T. |
| author_facet |
Barioglio, C. Varela, L. Ventura, J. Arnaudo, R. Bonardi, C. Campos, M. Rodríguez, T. |
| author_sort |
Barioglio, C. |
| title |
Evaluation of different methods of synchronization of estrus in sheep |
| title_short |
Evaluation of different methods of synchronization of estrus in sheep |
| title_full |
Evaluation of different methods of synchronization of estrus in sheep |
| title_fullStr |
Evaluation of different methods of synchronization of estrus in sheep |
| title_full_unstemmed |
Evaluation of different methods of synchronization of estrus in sheep |
| title_sort |
evaluation of different methods of synchronization of estrus in sheep |
| description |
In order to study the comparative effect of three techniques of oestrus synchronization and lambing concentration, 100 Corriedale ewes were randomly allotted to 4 groups of 25 ewes each, which were identified as follows: group C, trial group; group F, ewes exposed to a ram fitted with a harness, hence incapable of servicing; group T, ewes exposed to a ram fitted with a harness and treated with 2 doses of testosterone injected 5 days apart; and group P, ewes exposed to a ram fitted with a harness and treated with 2 doses of PG F2α. There was no contact among the groups for 15 days prior to the service. Later, the 4 groups were put together and the ewes were exposed to 10 rams for 60 days. The Kruskal-Wallis test was used to determine the effect of the treatment on early parturitions. Multiple comparison analyses were later made. A statistical analysis with contingency tables and a χ² test at 95% confidence level was used to determine differences in lambing concentration.
|
| publisher |
Facultad de Ciencias Agropecuarias |
| publishDate |
1991 |
| url |
https://revistas.unc.edu.ar/index.php/agris/article/view/2247 |
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