Role of growth hormone-related peptides on feeding regulatory mechanism in chicks
| Project/Area Number |
25450398
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Animal production science
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| Research Institution | Ehime University |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | ニワトリ / 摂食行動 / 成長ホルモン / 脳 / 行動学 / 生理学 / 栄養学 / ニワトリヒナ / 成長 / 家畜栄養学 / 家畜行動学 / 家畜生理学 / 畜産学 / 脳・神経 / 薬理学 |
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| Outline of Final Research Achievements |
The present study revealed that growth hormone-releasing hormone, which stimulates growth hormone release, inhibits feeding behavior in chicks. Although it is suggested that there would be several fragments of growth hormone-releasing hormone in chickens, the full-length of growth hormone-releasing hormone showed the strongest anorexigenic effect in chicks when administered centrally and peripherally. Growth hormone-releasing hormone did not induced behavioral changes and corticosterone release, suggesting that the anorexigenic effect would not be related to abnormal behavior and stress-related behavior. In addition, prolactin-releasing peptide, which inhibits growth hormone release, stimulated feeding behavior in chicks. These effects were completely different from the results of mammals. The present study revealed that growth hormone-releasing hormone and prolactin-releasing peptide are related to unique feeding regulatory mechanism of chicks.
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Report
(4 results)
Research Products
(7 results)
