| Treatments for the synchronisation of bovine recipients for fixed-time embryo transfer and improvement of pregnancy rates. | |
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MedLine Citation:
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PMID: 22394969 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Although embryo transfer technology has been used commercially in cattle for many years, the inefficiency of oestrus detection, especially in recipients, has limited the widespread application of this technology. The most useful alternative to increase the number of recipients utilised in an embryo transfer program is the use of protocols that allow for embryo transfer without the need for oestrus detection, usually called fixed-time embryo transfer (FTET). Most current FTET protocols are based on progestin-releasing devices combined with oestradiol or GnRH, which control and synchronise follicular wave dynamics and ovulation. Conception rates to a single FTET have been reported to be similar to those after detection of oestrus, but pregnancy rates are higher because these treatments have increased the proportion of recipients that receive an embryo. Recent changes to treatments for FTET, such as the administration of eCG, have resulted in increased pregnancy rates and provide opportunities to make these treatments easier to perform on farm. |
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Authors:
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Gabriel A Bó; Lucas Coelho Peres; Lucas E Cutaia; Danilo Pincinato; Pietro S Baruselli; R J Mapletoft |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Reproduction, fertility, and development Volume: 24 ISSN: 1031-3613 ISO Abbreviation: Reprod. Fertil. Dev. Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-03-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8907465 Medline TA: Reprod Fertil Dev Country: Australia |
Other Details:
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Languages: eng Pagination: 272-7 Citation Subset: IM |
Affiliation:
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Instituto de Reproducción Animal Córdoba (IRAC), Zona Rural General Paz, 5145, Córdoba, Argentina. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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