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Increased Fecal Ethanol and Methanol Concentration in Dairy Heifers after Grazing
http://hdl.handle.net/10659/3007
http://hdl.handle.net/10659/30073fabcda0-d113-478e-9981-508cbb4d5863
名前 / ファイル | ライセンス | アクション |
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S-2012-161_sato.pdf (236.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-06-04 | |||||
タイトル | ||||||
タイトル | Increased Fecal Ethanol and Methanol Concentration in Dairy Heifers after Grazing | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cattle feces | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fecal alcohol | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | grazing | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hindgut fermentation | |||||
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 | journal article | |||||
著者 |
Sato, H.
× Sato, H.× Kurosawa, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To clarify fermentative alterations in the large intestine (hindgut) during grazing, fecal alcohol and volatile fatty acids (VFAs) concentrations were evaluated in 30 dairy heifers. The heifers were kept in pasture growing mixed grass herbage from spring (mid May) until October, and their rectal feces were collected periodically. Concentrations of ethanol, methanol and isopropanol were increased in runny feces at early stage of grazing, but gradually decreased thereafter, despite the fact that ethanol remained at a high level until early October. Fecal VFA concentration was barely influenced at early grazing stage; however, it showed marked decrease thereafter. Hindgut exposure of increased nutrients which escaped upper tract digestion might promote active alcoholic fermentation in the colon of the heifers, particularly during early grazing period when runny defecation happens frequently. | |||||
書誌情報 |
Iranian Journal of Applied Animal Science 巻 1, 号 3, p. 199-202, 発行日 2011-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2251-628X | |||||
権利 | ||||||
権利情報 | © 2010 Copyright by Islamic Azad University, Rasht Branch, Rasht, Iran | |||||
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 | Iranian Journal of Applied Animal Science | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |