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Campo DC | Valor | Idioma |
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dc.contributor.author | Sanz Pascua, Albina | es_ES |
dc.contributor.author | Gobikrushanth, Mohanathas | es_ES |
dc.contributor.author | Colazo, Marcos G. | es_ES |
dc.coverage.spatial | Ciencia animal | es_ES |
dc.date.accessioned | 2022-08-17T09:55:05Z | - |
dc.date.available | 2022-08-17T09:55:05Z | - |
dc.date.issued | 2022 | es_ES |
dc.identifier.citation | Journal of Applied Animal Research, vol. 50, num. 1, (2022) | - |
dc.identifier.uri | http://hdl.handle.net/10532/6054 | - |
dc.description.abstract | This study compared the effects of CIDR type and eCG treatment on ovarian follicular dynamics, estrus response and pregnancy per AI (P/AI) in Holstein heifers subjected to a 5-d estrus synchronization protocol. On Day 0, heifers (n = 133) received either a new or a once-used CIDR. On Day 5, CIDR was removed, 500 μg cloprostenol administered and heifers received or not 300 IU eCG (2 × 2 design). Heifers in estrus were inseminated 12 h after first observation. All heifers without estrus by 84 h after CIDR removal received 100 μg GnRH concurrently with AI. Ultrasonography was done in a subset of 77 heifers at CIDR insertion and removal, at AI and every 12 h after AI to determine follicular dynamics. Diameter of largest follicle at CIDR removal and AI was larger in heifers given a used CIDR (P < .05). The overall estrus response and ovulation (85.0 and 95.5%) did not differ between CIDR types, heifers given a new CIDR had greater P/AI (67.2 vs. 42.6%; P = .004). In summary, P/AI was reduced in dairy heifers treated with a used CIDR, despite having larger preovulatory follicles at AI. In addition, eCG treatment did not affect follicular dynamics, estrus response nor P/AI. | en |
dc.language.iso | en | es_ES |
dc.relation.uri | https://doi.org/10.1080/09712119.2022.2106989 | es_ES |
dc.rights | Atribución-NoComercial-SinDerivadas 3.0 España | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
dc.title | Type of CIDR but not eCG administration affected pregnancy per AI in Holstein heifers subjected to a 5-day estrus synchronization protocol | en |
dc.type | Journal Contribution | * |
dc.bibliographicCitation.volume | 50(1) | es_ES |
dc.subject.agrovoc | Novilla | es |
dc.subject.agrovoc | Inseminación artificial | es |
dc.subject.agrovoc | Ovulación inducida | es |
dc.description.status | Published | es_ES |
dc.type.refereed | Refereed | es_ES |
dc.type.specified | Article | es_ES |
dc.bibliographicCitation.title | Journal Of Applied Animal Research | en |
dc.relation.doi | 10.1080/09712119.2022.2106989 | es_ES |
Aparece en las colecciones: | [DOCIART] Artículos científicos, técnicos y divulgativos |
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