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Título
Current challenges in sheep artificial insemination: A particular insight
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Reproduction in Domestic Animals
Número de la revista
S4
Datos de la obra
Álvarez García, M., Anel-Lopez, L., Boixo, J. C., Chamorro, C., Neila-Montero, M., Montes-Garrido, R., de Paz, P., & Anel, L. (2019). Current challenges in sheep artificial insemination: A particular insight. Reproduction in Domestic Animals, 54(S4), 32-40. https://doi.org/10.1111/RDA.13523
Editor
Wiley
Fecha
2019
ISSN
0936-6768
Zusammenfassung
[EN] Ovine artificial insemination (OAI) is not commonly performed because of specific problems related to semen application techniques, leading to highly variable results. The ideal methodology (frozen-thawed semen/vaginal route) is unfeasible under field conditions due to the cervix morphology of the ewe, which prevents the process of intrauterine insemination necessary to obtain acceptable results. Currently, OAI commercial programmes use superficial cervical insemination, CAI (vaginal), with chilled semen (15°C) and intrauterine insemination, LAI (laparoscopic), with frozen-thawed semen. The ability to improve upon these contrasting techniques may be derived from examining certain poorly studied factors such as insemination time, productive state of females and alternatives of seminal preservation, some of which we reviewed in this work. This interim solution will remain in use until AI by the vaginal route with frozen-thawed semen is developed, but it poses new challenges in optimizing the freezing of the sperm and adapting the cervical (CAI) and/or transcervical intrauterine AI (TCAI). In this review, we address the current problems and evaluate their methodological (mechanical) and chemical (dilation) alternatives. Currently, TCAI is a methodologically complex technique with poor fertility results, so further studies are needed to improve the logistics of this procedure and the results of its application
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Peer review
SI
ID proyecto
- info:eu-repo/grantAgreement/AEI/ Programa Estatal de I+D+i Orientada a los Retos de la Sociedad / AGL2017-83098-R/ES/ ESTRATEGIAS PARA MEJORAR LA EFICACIA EN LA INSEMINACION ARTIFICIAL OVINA
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