著作: [平田 真樹]/[谷原 史倫]/Taniguchi Masayasu/Takagi Mitsuhiro/Terazono Tsukasa/[音井 威重]/Follicular development of canine ovaries stimulated by a combination treatment of eCG and hCG./[Veterinary Medicine and Science]
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削除する| 種別 | 必須 | 学術論文(審査論文) | |||
|---|---|---|---|---|---|
| 言語 | 必須 | 英語 | |||
| 招待 | 推奨 | ||||
| 審査 | 推奨 | ||||
| カテゴリ | 推奨 | ||||
| 共著種別 | 推奨 | ||||
| 学究種別 | 推奨 | ||||
| 組織 | 推奨 | ||||
| 著者 | 必須 | ||||
| 題名 | 必須 |
(英) Follicular development of canine ovaries stimulated by a combination treatment of eCG and hCG. |
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| 副題 | 任意 | ||||
| 要約 | 任意 |
(英) Ovarian follicular dynamics is not well known in dogs. Imaging of ovaries is technically difficult; however, ovaries clamped at a subcutaneous site can more easily be monitored using ultrasound imaging. This study investigated the follicular development of canine ovaries stimulated by hormone treatment using ultrasound imaging of the ovaries clamped at a subcutaneous site. Oestrus was induced using subcutaneous administration of 500 IU equine chorionic gonadotropin (eCG) and 1000 IU human chorionic gonadotropin (hCG) (eCG/hCG). Five bitches were given 1000 IU hCG 11 days after eCG/hCG administration. Examinations with ovarian ultrasonography using a 7.5-MHz sector transducer, vaginal cytology, and assays of serum oestrogen and progesterone were performed daily until 20 days after eCG/hCG administration. Serosanguineous vaginal discharges and vaginal cytology of two of the bitches were observed. New follicular growth (>1.0 mm in diameter) was observed in all bitches from 2 to 8 days after eCG/hCG administration. The mean diameter of follicles and maximum numbers of follicles per ovary ranged from 2.8 to 5.5 mm and 4 to 16, respectively. The elevation in oestrogen concentrations after eCG/hCG administration was observed in all bitches, and elevation in progesterone concentration (>2 ng mL ) was observed in three bitches. However, no follicles ovulated until 9 days after hCG administration. In conclusion, although the number of examined bitches were limited, follicular growth in ovaries clamped at a subcutaneous site can be monitored using ultrasound imaging. Ovarian ultrasonography showed that eCG/hCG administration induced new follicular growth and hCG administration induced increases in oestrogen concentrations but not ovulation by hCG administration. |
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| キーワード | 推奨 | ||||
| 発行所 | 推奨 | ||||
| 誌名 | 必須 |
Veterinary Medicine and Science([John Wiley & Sons, Inc.])
(eISSN: 2053-1095)
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| 巻 | 必須 | ||||
| 号 | 必須 | ||||
| 頁 | 必須 | ||||
| 都市 | 任意 | ||||
| 年月日 | 必須 | 2018年 10月 1日 | |||
| URL | 任意 | ||||
| DOI | 任意 | 10.1002/vms3.121 (→Scopusで検索) | |||
| PMID | 任意 | 30273973 (→Scopusで検索) | |||
| CRID | 任意 | ||||
| WOS | 任意 | ||||
| Scopus | 任意 | ||||
| 評価値 | 任意 | ||||
| 被引用数 | 任意 | ||||
| 指導教員 | 推奨 | ||||
| 備考 | 任意 |
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