Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study
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| Format: | artículo biblioteca |
| Language: | English |
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Multidisciplinary Digital Publishing Institute
2020-07-16
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| Subjects: | GnRH, Assisted reproduction, Estrus synchronization, Follicle, Sheep, |
| Online Access: | http://hdl.handle.net/10261/339629 https://api.elsevier.com/content/abstract/scopus_id/85088048258 |
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dig-inia-es-10261-3396292024-05-21T20:36:31Z Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study Año-Perello, Aina Santos-Jimenez, Zurisaday Encinas, Teresa Martinez-Ros, P. González De Bulnes, Antonio Santos-Jimenez, Zurisaday [0000-0003-3589-1870] Encinas, Teresa [0000-0002-2985-7257] González De Bulnes, Antonio [0000-0002-0917-4475] GnRH Assisted reproduction Estrus synchronization Follicle Sheep 6 Pág. The present study aimed to set up a short-term protocol for synchronization of follicular wave emergence in sheep, concomitant with estrus synchronization, which would improve ovarian response in assisted reproductive technologies. Administration of a single GnRH dose, concomitant with the insertion of a progesterone-loaded CIDR device, caused regression of gonadotrophin-dependent follicles ≥4 mm in all the GnRH-treated sheep and in around 80% of the controls treated only with CIDR (p < 0.05). Similar percentages of ewes lost all follicles (around 70%) or only the largest one (around 30%) in both groups. Hence, 54.1% and 70% of the sheep lost all large follicles and initiated a new follicular wave in the control and GnRH groups, respectively (p < 0.05). The remaining sheep showed follicles that were still not dependent of luteinizing hormone (LH). So, in fact, all the sheep had non-dominant follicles after treatment. In conclusion, a treatment including GnRH at CIDR insertion would offer a time- and cost-efficient protocol for inducing follicular turnover and synchronizing a new follicular wave at any stage of the estrous cycle. This research received no external funding. Peer reviewed 2023-11-24T11:54:09Z 2023-11-24T11:54:09Z 2020-07-16 artículo http://purl.org/coar/resource_type/c_6501 Animals 10(7): e1208 (2020) http://hdl.handle.net/10261/339629 10.3390/ani10071208 2076-2615 32708594 2-s2.0-85088048258 https://api.elsevier.com/content/abstract/scopus_id/85088048258 en Departamento de Reproducción Animal Publisher's version https://doi.org/10.3390/ani10071208 Sí open application/pdf Multidisciplinary Digital Publishing Institute |
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biblioteca |
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Europa del Sur |
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English |
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GnRH Assisted reproduction Estrus synchronization Follicle Sheep GnRH Assisted reproduction Estrus synchronization Follicle Sheep |
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GnRH Assisted reproduction Estrus synchronization Follicle Sheep GnRH Assisted reproduction Estrus synchronization Follicle Sheep Año-Perello, Aina Santos-Jimenez, Zurisaday Encinas, Teresa Martinez-Ros, P. González De Bulnes, Antonio Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| description |
6 Pág. |
| author2 |
Santos-Jimenez, Zurisaday [0000-0003-3589-1870] |
| author_facet |
Santos-Jimenez, Zurisaday [0000-0003-3589-1870] Año-Perello, Aina Santos-Jimenez, Zurisaday Encinas, Teresa Martinez-Ros, P. González De Bulnes, Antonio |
| format |
artículo |
| topic_facet |
GnRH Assisted reproduction Estrus synchronization Follicle Sheep |
| author |
Año-Perello, Aina Santos-Jimenez, Zurisaday Encinas, Teresa Martinez-Ros, P. González De Bulnes, Antonio |
| author_sort |
Año-Perello, Aina |
| title |
Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| title_short |
Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| title_full |
Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| title_fullStr |
Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| title_full_unstemmed |
Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study |
| title_sort |
use of gnrh for synchronization of the follicular wave in assisted reproductive technologies in sheep: a preliminary study |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2020-07-16 |
| url |
http://hdl.handle.net/10261/339629 https://api.elsevier.com/content/abstract/scopus_id/85088048258 |
| work_keys_str_mv |
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