| Project/Area Number |
26850195
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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 | Tokyo University of Agriculture and Technology |
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Principal Investigator |
Endo Natsumi 東京農工大学, (連合)農学研究科(研究院), 助教 (40726684)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 乳牛 / 発情 / 排卵障害 / ニューロキニン３受容体 / NKB / ヤギ / 発情行動 / ビデオトラッキング / 発情・排卵障害 / シバヤギ / ニューロキニン3受容体 |
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| Outline of Final Research Achievements |
High incidence of estrus and ovulation failure in dairy cows has been a worldwide problem in recent years. Firstly, the expression of estrus behavior in lactating dairy cows were investigated by accelerometer system and visual observation. Estrous behavior was detected for 50.0% cycles by visual observation. The accelerometer system detected estrus correctly for 84.6% cycles, which was higher than that by visual observation (P < 0.05). It was suggested that the estrus detection system by the accelerometer system can be utilized as an aid for estrus detection by visual observation. Furthermore, to develop the new therapeutic method to treat anestrus and anovulation animals, the effect of senktide on hormonal secretion and ovarian follicles were determined in follicular-phase goats. The results showed that intravenous administration of senktide stimulates luteinizing hormone secretion, which can enhance the time of ovulation in follicular-phase goats.
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