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Relationship between bovine endometrial thickness and plasma progesterone and estradiol concentrations in natural and induced estrus
http://hdl.handle.net/10659/00006336
http://hdl.handle.net/10659/00006336be531ff0-db9f-48aa-b76c-77cabd576850
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
R-2019-126_sugiura.pdf (828.1 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-02-26 | |||||
| タイトル | ||||||
| タイトル | Relationship between bovine endometrial thickness and plasma progesterone and estradiol concentrations in natural and induced estrus | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Dairy cows | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Edema | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Endometrium | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Estrous cycle | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Ultrasonography | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Dairy cows | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Edema | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Endometrium | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Estrous cycle | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Ultrasonography | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 著者 |
杉浦, 智親
× 杉浦, 智親× AKIYOSHI, Shun× INOUE, Fumihiro× YANAGAWA, Yojiro× MORIYOSHI, Masaharu× 田島, 誉士× KATAGIRI, Seiji |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The objective of this study was to investigate cyclical changes in endometrial thickness in relation to progesterone (P_4) and estradiol-17β (E_2) concentrations during natural and induced estrus in 15 cows. In the prostaglandin (PG) |<F2α>-induced estrus group, ultrasonography (USG) at 6-h intervals was used to determine endometrial thickness 48–24 h before the PGF_<2α> treatment until 24 h after ovulation (ovulation = Day 0). In the natural estrus group, USG was performed every 48 h from Day 3 to Days 15–18 after the first ovulation, and then every 6 h until 24 h after ovulation. Endometrial thickness was standardized using Day 13 as a reference day. Blood was collected during every USG examination and plasma P_4 and E_2 concentrations were determined. Endometrial thickness of the induced estrus group (n = 11) was greater than that of the natural estrus group (n = 9) between 60 and 12 h before ovulation (P < 0.05). In the natural estrus group, prior to an increase in endometrial thickness, a decrease in P_4 and an increase in E_2 were detected. In the induced estrus group, based on the time of ovulation, an increase in endometrial thickness was detected at the same time of a decrease in P_4 before an increase in E_2. These results suggest that decreases in P_4 concentrations may be a cue to changes in endometrial thickness, while increases in E_2 concentrations appear to sustain and/or enhance these changes. | |||||
| 書誌情報 |
Journal of Reproduction and Development 巻 64, 号 2, p. 135-143, 発行日 2018 |
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| ISBN | ||||||
| 識別子タイプ | ISBN | |||||
| 関連識別子 | 0916-8818 | |||||
| DOI | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | http://dx.doi.org/10.1262/jrd.2017-139 | |||||
| 権利（URI） | ||||||
| 権利情報 | https://creativecommons.org/licenses/by-nc-nd/4.0/ | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| 出版者 | ||||||
| 出版者 | 日本繁殖生物学会 | |||||
| 資源タイプ | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | Article | |||||
