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  1. 190 農学研究科・農学部
  2. Journal of Integrated Field Science

Challenges of Pig Breeding in Japan

http://hdl.handle.net/10097/30959
http://hdl.handle.net/10097/30959
fd6fdda5-58d9-4a4b-b96a-3824c0dd58bb
名前 / ファイル ライセンス アクション
KJ00004370131.pdf KJ00004370131.pdf (593.0 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2008-05-02
タイトル
タイトル Challenges of Pig Breeding in Japan
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
著者 SUZUKI, Keiichi

× SUZUKI, Keiichi

SUZUKI, Keiichi

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NISHIDA, Akira

× NISHIDA, Akira

NISHIDA, Akira

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抄録
内容記述タイプ Abstract
内容記述 Genetic breeding systems for pigs over the last 30 years in Japan are roughly classifiable into three. Local government experiment stations and the national improvement center have used a closedline breeding system. A second is an open breeding system used by private breeders and breeding companies. A third is breeding through introduction of hybrid pigs from foreign countries. The closed line breeding system has produced many excellent breeds from lines that have been selected not only for meat production traits, but also for reproductive traits and meat quality traits. Tokyo-X and Shimofuri-red were completed respectively in 1996 and in 2002. These two lines are breeds for which intramuscular fat was adopted as a direct selection trait. These successes achieved through such breeding are attributable to improved measuring methods of meat production traits and meat quality traits, along with improved statistical breeding methods. Now and in the future, breeding for disease resistance will become an important subject that attracts pig breeders' research efforts. One method of breeding for disease resistance is to select for morbid state as a direct selection trait. Aside from this, an indirect selection exists for immunity traits that are related genetically to disease resistance traits. We examine a breeding strategy that unites these two methods, and are performing selection now. Future selection methods might use marker-assisted selection with markers obtained through QTL analysis, for which candidate gene analyses might be effective.
書誌情報 Journal of Integrated Field Science

巻 3, p. 53-58, 発行日 2006-03
ISSN
収録物識別子タイプ ISSN
収録物識別子 2433-6122
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA12005506
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Field Science Center, Graduate School of Agricultural Science, Tohoku University
資源タイプ
内容記述タイプ Other
内容記述 紀要類(bulletin)
登録日
日付 2008-05-02
日付タイプ Created
公開日(投稿完了日)
日付 2008-05-02
日付タイプ Created
発行日
日付 2006-03
日付タイプ Created
フォーマット
内容記述タイプ Other
内容記述 592999 bytes
更新日
日付 2018-01-04
日付タイプ Created
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Cite as

SUZUKI, Keiichi, NISHIDA, Akira, 2006, Challenges of Pig Breeding in Japan: Field Science Center, Graduate School of Agricultural Science, Tohoku University, 53–58 p.

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