| Project/Area Number |
17K15376
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Veterinary medical science
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| Research Institution | Obihiro University of Agriculture and Veterinary Medicine |
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Principal Investigator |
Haneda Shingo 帯広畜産大学, 畜産学部, 准教授 (40553441)
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| Project Period (FY) |
2017-04-01 – 2020-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | 内視鏡 / 不受胎牛 / リピートブリーダー / 牛 / 繁殖障害 / ウシ / 生殖器 / 子宮 / 獣医臨床繁殖学 |
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| Outline of Final Research Achievements |
In order to establish the observation method, external sleeve and stylet were compared. Then, using stylet, endoscope was introduced into uterus like artificial insemination in cows. If there was fluid accumulation in the uterus, the results were correspondent with ultrasonography in postpartum cows as a model for abnormal uterine status. On the other hand, penetration, erosion, white spots, and discolorment were observed only in endoscopic approach. Also, such findings were recognized in repeat breeder cows, these undetectable findings by ultrasonography might be causes of infertility and the endoscope is one of useful tools to diagnose fertility in cows.
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| Academic Significance and Societal Importance of the Research Achievements |
ウシの子宮内を容易に観察できたことから、正常および異常な子宮内膜の肉眼的所見を蓄積することが可能となり、ウシの臨床繁殖学において貴重な情報を収集することができるようになった。実際、現在簡易に実施できる超音波画像検査において検出できない子宮内膜の異常初見を発見することができ、不受胎のウシにおいてもその所見がみられたことから、不受胎の原因の明確化とそれによる対策の正確性を増すことで、ウシの生産性を向上させられることが期待できる。
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