Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers

SGIT-INIA

Detalles Bibliográficos
Autores: Fernández-Novo, Aitor, Santos-Lopez, Sergio, Pesántez-Pacheco, José Luis, Pérez-Villalobos, Natividad, Heras-Molina, Ana, Gonzalez-Martin, Juan Vicente, Astiz, Susana
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/275761
Acceso en línea:http://hdl.handle.net/10261/275761
https://api.elsevier.com/content/abstract/scopus_id/85102611195
Access Level:acceso abierto
Palabra clave:Co-synch
FTAI
Conception rate
Ovarian physiology
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spelling Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in HeifersFernández-Novo, AitorSantos-Lopez, SergioPesántez-Pacheco, José LuisPérez-Villalobos, NatividadHeras-Molina, AnaGonzalez-Martin, Juan VicenteAstiz, SusanaCo-synchFTAIConception rateOvarian physiologySGIT-INIAIn beef herds, increasing animal welfare, improving reproductive performance and easing animal management are key goals in farm economics. We explored whether delaying the removal of the intravaginal progesterone device by 24 h in heifers synchronized with a 5d Co-synch 72-h protocol could improve reproductive efficiency of fixed-time artificial insemination (FTAI). In experiment 1, we examined the total synchronization rate (TSR) in cycling Holstein heifers. Heifers (13.4 ± 0.69 mo.) were randomly assigned to the standard 5d Co-synch 56-h protocol (5dCo56; n = 10), 5d Co-synch 72-h (5dCo72; n = 17), or the modified 5d Co-synch 72-h protocol, in which removal of the progesterone device was delayed by 24 h (6dCo48; n = 19). In experiment 2, 309 cycling beef heifers on 18 commercial farms were subjected to the 5d Co-synch 72-h or 6-d Co-synch 48-h protocol and conception rate (CR) studied. In experiment 1, the three protocols led no differences on TSRs of 80.0% (5dCo56), 88.2% (5dCo72), and 89.5% (6dCo48). In experiment 2, the CR from the beef heifers, observed during two consecutive reproductive seasons did not differ: 59.7% for 5dCo72 and 62.0% for 6dCo48 (p = 0.907). Therefore, delaying removal by 24 h provides satisfactory results without reducing reproductive efficiency of heifers.Peer reviewed12 Pag.Multidisciplinary Digital Publishing InstituteFernández-Novo, Aitor [0000-0003-0112-8543]Santos-Lopez, Sergio [0000-0003-2651-3130]Pesantez-Pacheco, Jose Luis [0000-0002-5669-6014]Pérez-Villalobos, Natividad [0000-0002-2287-3916]Heras-Molina, Ana [0000-0001-7496-9680]Gonzalez-Martin, Juan Vicente [0000-0001-7133-5148]Astiz, Susana [0000-0002-9718-0903]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202220222021info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/275761https://api.elsevier.com/content/abstract/scopus_id/85102611195reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésAnimals : an open access journal from MDPISíinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2757612026-05-22T06:33:51Z
dc.title.none.fl_str_mv Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
title Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
spellingShingle Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
Fernández-Novo, Aitor
Co-synch
FTAI
Conception rate
Ovarian physiology
title_short Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
title_full Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
title_fullStr Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
title_full_unstemmed Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
title_sort Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers
dc.creator.none.fl_str_mv Fernández-Novo, Aitor
Santos-Lopez, Sergio
Pesántez-Pacheco, José Luis
Pérez-Villalobos, Natividad
Heras-Molina, Ana
Gonzalez-Martin, Juan Vicente
Astiz, Susana
author Fernández-Novo, Aitor
author_facet Fernández-Novo, Aitor
Santos-Lopez, Sergio
Pesántez-Pacheco, José Luis
Pérez-Villalobos, Natividad
Heras-Molina, Ana
Gonzalez-Martin, Juan Vicente
Astiz, Susana
author_role author
author2 Santos-Lopez, Sergio
Pesántez-Pacheco, José Luis
Pérez-Villalobos, Natividad
Heras-Molina, Ana
Gonzalez-Martin, Juan Vicente
Astiz, Susana
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Fernández-Novo, Aitor [0000-0003-0112-8543]
Santos-Lopez, Sergio [0000-0003-2651-3130]
Pesantez-Pacheco, Jose Luis [0000-0002-5669-6014]
Pérez-Villalobos, Natividad [0000-0002-2287-3916]
Heras-Molina, Ana [0000-0001-7496-9680]
Gonzalez-Martin, Juan Vicente [0000-0001-7133-5148]
Astiz, Susana [0000-0002-9718-0903]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Co-synch
FTAI
Conception rate
Ovarian physiology
topic Co-synch
FTAI
Conception rate
Ovarian physiology
description SGIT-INIA
publishDate 2021
dc.date.none.fl_str_mv 2021
2022
2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/275761
https://api.elsevier.com/content/abstract/scopus_id/85102611195
url http://hdl.handle.net/10261/275761
https://api.elsevier.com/content/abstract/scopus_id/85102611195
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Animals : an open access journal from MDPI
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute
publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869419772097069056
score 15,812455

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