Development of a novel diagnostic criteria of subclinical endometritis and a program that enhances reproductive functions in postpartum cows
| Project/Area Number |
21580385
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Clinical veterinary science
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| Research Institution | Iwate University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HIRATA Toh-ichi 岩手大学, 農学部, 助教 (20241490)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 臨床繁殖 / 産科 / 乳牛 / 子宮内環境 / 潜在性子宮内膜炎 / 多形核白血球 / 牛 / 子宮内膜炎 / 臨床繁殖学 / サイトブラシ / メトリチェック / 超音波検査 / 腟内留置型プロジェステロン / 排卵同期化処置 |
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| Research Abstract |
The aim of this study was to establish systematic and objective diagnostic methods of subclinical endometritis in early postpartum Japanese black and Holstein cows. The results of the study suggest that endometrial PMN% could be a suitable parameter for predicting fertility, change in size of the uterine horns by ultrasonography has limitations as a diagnosis for subclinical endometritis, and unsaturated fatty acid supplementation to dairy cows during late dry period may hasten uterine involutions postpartum period.
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Report
(4 results)
Research Products
(23 results)
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[Journal Article] Evaluation of reproductive tract infection during early postpartum period and its relationship with subsequent reproductive performance in high-producing dairy cows, Reprod2012
Author(s)
Senosy, W.S., Uchiza, M., Tameoka, N., Izaike, Y., Osawa, T.
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Journal Title
Dom. Anim.
Volume: Vol.47
Pages: 203-207
Related Report
Peer Reviewed
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[Journal Article] Validation of a direct time-resolved fluoroimmunoassay for progesterone in milk from dairy and beef cows2011
Author(s)
Oku, Y., Osawa, T., Hirata, T-I., Kubo, M., Kon, N., Akasaka, S., Senosy, W. S., Takahashi, T., Izaike, Y.
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Journal Title
Vet. J.
Volume: Vol.190
Pages: 244-248
Related Report
Peer Reviewed
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[Journal Article] Effect of Follicular Aspiration at the Onset of Progesterone-based Timed Artificial Insemination on the Follicular Dynamics and Fertility of Early Postpartum Japanese Black Cows2011
Author(s)
Hirata, T-I., Kon, N., Sugiyama, A., Sato, M., Osawa, T.
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Journal Title
Journal of Reproduction and Development
Volume: 57
Issue: 5
Pages: 613-619
DOI
NAID
ISSN
0916-8818, 1348-4400
Related Report
Peer Reviewed
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[Presentation] Calving season influences on energy metabolites trait, body condition scoring and ovarian resumption in high producing dairy cows.2011
Author(s)
Senosy, W., Osawa, T., Nanae, T., Uchiza, M., Izaike, Y.
Organizer
The 15th annual European Society for Domestic Animal Reproduction Conference
Place of Presentation
Antalya (Turkey)
Related Report
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