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dc.contributor.otherProducción Científica UCH 2020-
dc.contributor.otherUCH. Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos-
dc.creatorFernández Novo, Aitor.-
dc.creatorFargas Busquets, Octavi.-
dc.creatorLoste Montoya, Juan Manuel.-
dc.creatorSebastián González, Francisco.-
dc.creatorPérez Villalobos, Natividad.-
dc.creatorPesántez Pacheco, José Luis.-
dc.date2020-
dc.date.accessioned2021-04-27T04:00:35Z-
dc.date.available2021-04-27T04:00:35Z-
dc.date.issued2020-05-26-
dc.identifier.citationFernandez-Novo, A., Fargas, O., Loste, J.M., Sebastian, F., Perez-Villalobos, N., Pesantez-Pacheco, J.L. (2020). Pregnancy loss (28-110 days of pregnancy) in Holstein Cows: a retrospective study. Animals, vol. 10, i. 6 (26 may), art. 925. DOI: https://doi.org/10.3390/ani10060925-
dc.identifier.issn2076-2615 (Electrónico).-
dc.identifier.urihttp://hdl.handle.net/10637/12504-
dc.descriptionEste artículo se encuentra disponible en la siguiente URL: https://www.mdpi.com/2076-2615/10/6/925-
dc.descriptionEn esta investigación también participan: Raquel Patrón-Collantes y Susana Astiz.-
dc.descriptionEste artículo pertenece al número especial "High-yielding dairy cows".-
dc.description.abstractThe objective of this retrospective study was to investigate the prevalence of pregnancy loss (PL; between 28–110 pregnancy days) and its relationship with factors: farm, year (2015–2018), season, artificial insemination (AI)-rank, parity, AI-type (fixed-time vs. oestrus-AI), previous PL, days in milk (DIM), fixed-time-AI protocol, AI-technician, bull, and semen-type (sexed vs. conventional). Data of 19,437 Holstein cattle AIs from eight Spanish farms were studied. Overall conception rate was 34.3% (6696/19,437) and PL 12.3% (822/6696). The PL was more likely to occur in primiparous (10.8%, odds ratio (OR) = 1.35; p = 0.04) and multiparous (15.3%; OR = 2.02, p < 0.01) than in heifers (PL = 6.9%, reference). Pregnancies achieved with AI after observed oestrus and natural breedings were associated with less PL than pregnancies after fixed-time-AI (12.7 vs. 11.9%; OR = 0.12, p = 0.01). First AIs related to higher PL than 2nd AIs (PL = 13.8% vs. 11.2; OR = 0.73, p < 0.01). The factors season, fixed-time-AI protocol, DIM, bull, AI-technician, or type of semen were not significantly associated with PL. Therefore, farmers and consultants should adapt their preventive strategies relating to PL, particularly, to the parity of the cattle.-
dc.formatapplication/pdf-
dc.languagees-
dc.language.isoen-
dc.publisherMDPI-
dc.relation.ispartofAnimals, vol. 10, n. 6.-
dc.rightshttp://creativecommons.org/licenses/by/4.0/deed.es-
dc.subjectReproductive technologie in animals.-
dc.subjectCattle breeds - Holstein - Reproductive technology.-
dc.subjectReproducción asistida en los animales.-
dc.subjectGanado vacuno - Razas - Holstein - Obstetricia.-
dc.subjectCattle breeds - Holstein - Obstetrics.-
dc.subjectPregnancy.-
dc.subjectBienestar animal.-
dc.subjectAnimal welfare.-
dc.subjectGranjas - Gestión.-
dc.subjectFarms - Management.-
dc.subjectGestación.-
dc.subjectGanado vacuno - Razas - Holstein - Reproducción asistida.-
dc.titlePregnancy loss (28-110 days of pregnancy) in Holstein Cows : a retrospective study-
dc.typeArtículo-
dc.identifier.doihttps://doi.org/10.3390/ani10060925-
Aparece en las colecciones: Dpto. Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos

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