Age-Dependent Change of Tonic Immobility Response in Chicks of a Native Japanese Chicken breed, Tosa-Jidori
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- Nakasai Eriko
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan
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- Tanizawa Hiroshi
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan
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- Takawaki Minani
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan
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- Yanagita Kouichi
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan
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- Kawakami Shin-ichi
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan
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- Oka Takao
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan Japanese Avian Bioresource Project Research Center, Hiroshima University, Japan
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- Tsudzuki Masaoki
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan Japanese Avian Bioresource Project Research Center, Hiroshima University, Japan
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- Bungo Takashi
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Japan Japanese Avian Bioresource Project Research Center, Hiroshima University, Japan
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抄録
The objective of the present study was to evaluate the temperament of a native Japanese chicken breed (Tosa-Jidori) using the tonic immobility test for the detection of fearfulness. Each chick (2, 5, 10 or 15-day old) was placed on its back on a table and restrained by hand. Thereafter, if the chick lay still, it was then released and observed. The number of inductions and tonic immobility duration was recorded. The duration in the male was shorter than that in the female at 2-day old, whereas higher than that in the female at 15-day old. The duration of tonic immobility was affected by age in the male (P<0.05). There was a positive correlation between them in the male, and a negative correlation in the female. As for the number of induction, no significant differences and tendencies were found between sex and age. These findings demonstrate that Tosa-Jidori chicks show sexual differences in the fear response and further suggest that the temperamental differences may correspond to genetic characteristics of breeds.
収録刊行物
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- The Journal of Poultry Science
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The Journal of Poultry Science 50 (4), 321-325, 2013
日本家禽学会
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詳細情報 詳細情報について
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- CRID
- 1390282680183289728
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- NII論文ID
- 130004446417
- 40019836671
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- NII書誌ID
- AA11564513
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- ISSN
- 13490486
- 13467395
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- NDL書誌ID
- 024947593
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可