Výsledky vyhledávání - "C. J. Bracken"

Autor: C. J. Bracken, C. K. Boyd, M.C. Lucy, J. Liu

Publikováno v: Bioscientifica Proceedings.

The resumption of ovarian follicular development during lactation and after weaning in sows is a complex process that ultimately determines rebreeding efficiency of sows. Ovarian follicular development before weaning is heterogeneous because multiple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1e5e6a5d9270dcc211e6ac76b658d21
https://doi.org/10.1530/biosciprocs.16.0003

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Two days of pulsatile GnRH infusion beginning 4 days before weaning in sows initiates a wave of follicular growth that is not sustained after weaning

Autor: Matthew C. Lucy, R.P. Radcliff, Duane H. Keisler, B.L. McCormack, C. J. Bracken

Publikováno v: Animal Reproduction Science. 102:158-164

Intervals to estrus and ovulation in weaned sows depend partially on the diameter of ovarian follicles at weaning. The objective was to determine if follicular diameter in sows could be increased by a 48h period of GnRH infusion before weaning and wh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b91ba8cdbc9ea28c15649b6f96b91e69
https://doi.org/10.1016/j.anireprosci.2007.02.021

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Decreased follicular size during late lactation caused by treatment with charcoal-treated follicular fluid delays onset of estrus and ovulation after weaning in sows1

Autor: B.L. McCormack, Matthew C. Lucy, C. J. Bracken, Duane H. Keisler, R.P. Radcliff

Publikováno v: Journal of Animal Science. 84:2110-2117

The weaning to estrus and weaning to ovulation intervals in sows are controlled by ovarian follicular growth after weaning. Longer intervals could be caused by smaller diameter follicles at weaning that take more time to reach a preovulatory size. We

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::243eb09fe2cc40113d2f69b522912ff8
https://doi.org/10.2527/jas.2006-012

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Factors affecting follicular populations on Day 3 postweaning and interval to ovulation in a commercial sow herd

Autor: M.C. Lucy, T. J. Safranski, C. J. Bracken, William R. Lamberson

Publikováno v: Theriogenology. 60:11-20

Sows (n=146) in a commercial herd were studied to determine factors affecting follicular populations and interval to ovulation after weaning. Ovaries were examined daily by ultrasonography beginning on Day 3 postweaning and twice daily from Day 4.5 u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a99c69278978c9acbed0e75f1100ad4
https://doi.org/10.1016/s0093-691x(02)01287-6

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Decreased follicular size during late lactation caused by treatment with charcoal-treated follicular fluid delays onset of estrus and ovulation after weaning in sows

Autor: C J, Bracken, R P, Radcliff, B L, McCormack, D H, Keisler, M C, Lucy

Publikováno v: Journal of animal science. 84(8)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::98385dfc4c48d9479516070e0b66c953
https://pubmed.ncbi.nlm.nih.gov/16864871

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Effect of time of ovulation and sperm concentration on fertilization rate in gilts

Autor: William R. Lamberson, Matthew C. Lucy, T. J. Safranski, T.C. Cantley, C. J. Bracken

Publikováno v: Theriogenology. 60(4)

In normal production practices, sows and gilts are inseminated at least twice during estrus because the timing of ovulation is variable relative to the onset of estrus. The objective of this study was to determine if a normal fertilization rate could

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2676d4cf898c1591d8b2fc4b41fba208
https://pubmed.ncbi.nlm.nih.gov/12832016

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Ovarian follicular growth in sows

Autor: M C, Lucy, J, Liu, C K, Boyd, C J, Bracken

Publikováno v: Reproduction (Cambridge, England). Supplement. 58

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::72ffd3bdd63043a545d431beb56fdabb
https://pubmed.ncbi.nlm.nih.gov/11980199

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Reduced growth hormone receptor (GHR) messenger ribonucleic acid in liver of periparturient cattle is caused by a specific down-regulation of GHR 1A that is associated with decreased insulin-like growth factor I

Autor: C. J. Bracken, William R. Lamberson, Y. Kobayashi, Matthew C. Lucy, C. K. Boyd, Duane H. Keisler

Publikováno v: Endocrinology. 140(9)

GH receptor (GHR) messenger RNA (mRNA) is transcribed from at least three different promoters within the liver of cattle. The first promoter (P1) is liver specific and alternatively splices exon 1A onto the GHR mRNA (GHR 1A mRNA). The second and thir

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6de9d13c39cc6903746956c8ad4fe08
https://pubmed.ncbi.nlm.nih.gov/10465263

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