Výsledky vyhledávání - "E. Rojas Canadas"

Akademický článek

Postpartum vaginal discharge score is associated with genetic traits, postpartum fertility phenotypes, metabolic status, and overall reproductive performance in seasonal-calving pasture-based dairy cows

Autor: E. Rojas Canadas, M.M. Herlihy, J. Kenneally, F. Kearney, P. Lonergan, S.T. Butler

Publikováno v: Journal of Dairy Science, Vol 106, Iss 12, Pp 9778-9792 (2023)

ABSTRACT: The aims of this study were (1) to evaluate potential associations between genetic traits, postpartum phenotypes, cow factors, and postpartum vaginal discharge score (VDS); and (2) to investigate possible associations between postpartum VDS

Externí odkaz: https://doaj.org/article/dc5bf2a653834e6593a7774e5948418a

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Plasma progesterone concentration after first service is associated with individual genetic traits, postpartum phenotypes, and likelihood of conception in seasonal-calving pasture-based dairy cows

Autor: E. Rojas Canadas, John G. Furlong, M.M. Herlihy, F. Kearney, J. Kenneally, Stephen T. Butler, Patrick Lonergan

Publikováno v: Journal of Dairy Science. 104:12968-12979

The aims of this study were to (1) evaluate postpartum phenotypes, cow factors, and genetic traits associated with plasma progesterone (P4) concentrations after first artificial insemination (AI); (2) determine variation in daily plasma P4 concentrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df2976397d7080b19c079f6a8e96f779
https://doi.org/10.3168/jds.2021-20126

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GnRH dose at initiation of a 5-day CO-Synch + P4 for fixed time artificial insemination in suckled beef cows

Autor: E. Rojas Canadas, S.E. Battista, J.D. Kieffer, S.R. Wellert, M.L. Mussard, A. Garcia-Guerra

Publikováno v: Animal Reproduction Science. 250:107210

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2e250eef95ee5939ae6776ea1074145
https://doi.org/10.1016/j.anireprosci.2023.107210

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Effect of equine chorionic gonadotropin administration on day 8 post-partum on ovarian follicular development, uterine health and uterine involution in lactating dairy cows

Autor: E. Rojas Canadas, Patrick Lonergan, Stephen T. Butler

Publikováno v: Theriogenology. 123:54-61

The objective was to evaluate the effect of equine chorionic gonadotropin (eCG) injection on day 8 postpartum on ovarian cyclicity, uterine health and uterine involution in lactating dairy cows. Lactating dairy cows [n = 34, (21 primiparous and 13 mu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::616e68c99337625c6518eb495a5f8c23
https://doi.org/10.1016/j.theriogenology.2018.09.022

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The relationship between anogenital distance and fertility, and genome-wide associations for anogenital distance in Irish Holstein-Friesian cows

Autor: M. Gobikrushanth, J. Kenneally, S.A. Holden, P.M. Martinez, Divakar J. Ambrose, M.G. Colazo, R.C. Doyle, T.C. Bruinjé, E. Rojas Canadas, Stephen T. Butler, D. C. Purfield

peer-reviewed The evaluation of anogenital distance (AGD), the distance from the center of the anus to base of the clitoris, as a potential fertility trait for genetic selection in dairy cows has generated recent interest. The objectives of this cros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d224dfa45532107a2bc75d27a74b7047
http://hdl.handle.net/11019/2032

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48 Timing of luteolysis and conceptus expulsion after induced pregnancy loss at three different timepoints after maternal recognition of pregnancy in cattle

Autor: C. Rykaczewski, E. Rojas-Canadas, J. C. Lemos-Motta, A. Nall, M.L. Mussard, B. J. Duran, A. Garcia-Guerra, C. Hayden

Publikováno v: Reproduction, Fertility and Development. 33:131

Results from previous research indicate that induced pregnancy loss (IPL) on Day 36 of gestation in cattle resulted in luteolysis by gestation Day ∼45. The aim of this study was to test the hypothesis that IPL at 25, 35, or 55 days of gestation wil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5c65752c686a2d2aee25f0c035c1e82
https://doi.org/10.1071/rdv33n2ab48

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160 Increasing gonadotrophin-releasing hormone dose at initiation of a 5-day CO-Synch protocol increases ovulatory response but not fertility in yearling beef heifers

Autor: S. R. Wellert, A. Garcia Guerra, E. Rojas Canadas, J. D. Kieffer, S. E. Battista

Publikováno v: Reproduction, Fertility and Development. 32:206

Heifers typically have a reduced ovulation rate following gonadotrophin-releasing hormone (GnRH) application at initiation of a CO-Synch + controlled internal drug release (CIDR) protocol. Thus, the objective of the present study was to determine whe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1512e34b6bbdb8274db88c2e2376d5d6
https://doi.org/10.1071/rdv32n2ab160

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Evaluation of alternative strategies to treat anoestrous dairy cows and implications for reproductive performance in pasture-based seasonal calving herds: A pilot study

Autor: E. Rojas Canadas, P. Fernandez, Patrick Lonergan, Stephen T. Butler, M. Gobikrushanth, J. Kenneally

Publikováno v: Theriogenology. 127

peer-reviewed The objective of the present study was to assess the effects on ovulation and reproductive performance of a single injection of either GnRH or hCG applied 9 days before the start of the seasonal breeding period in anovulatory anoestrus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2973cacf92fcbe165bd7f7542fe7eab6
https://pubmed.ncbi.nlm.nih.gov/30685688

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