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- KOHIRUIMAKI Masayuki
- Kohiruimaki Animal Medical Service Department of Veterinary Internal Medicine, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- OHTSUKA Hiromichi
- Department of Veterinary Internal Medicine, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- HAYASHI Tomohito
- Tokyo University of Science
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- KIMURA Kayoko
- National Animal Disease Center
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- MASUI Machiko
- Kohiruimaki Animal Medical Service
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- ANDO Takaaki
- Department of Veterinary Internal Medicine, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- WATANABE Daisaku
- Department of Veterinary Internal Medicine, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- KAWAMURA Seiichi
- Department of Veterinary Internal Medicine, School of Veterinary Medicine and Animal Sciences, Kitasato University
書誌事項
- タイトル別名
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- Evaluation by Weight Change Rate of Dairy Herd Condition
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抄録
The purpose of this study was to clarify whether weight change rate (WCR) is useful in evaluating herd health. Five herds (A, B, C, D, and E) were examined monthly for approximately 1 year to measure both WCR and BCS. WCR was calculated using the following equation: WCR (%) = (body weight of current month-body weight of the preceding month)/body weight of current month × 100. In addition, blood profiles were performed in each herd before and after calving. The incidence of periparturient diseases was higher in Herds A, B, and C compared with Herds D and E. Reproductive performance in Herds A and B was rather poor compared with Herds C, D, and E. There were significantly lower WCRs in Herd A compared with Herd C during the period of day -30 to day 30 after calving. According to the blood profiles, high levels of non-essential fatty acids (NEFA) were observed during the period of day -30 to -1 and high β-hidroxybutyricacid (BHB) and low levels of glucose were observed at day 30 after calving in Herd A. A marked poor condition in Herd A during the peripaturient period was clearly expressed by low WCR in this experiment. WCR can express body condition of herds and is suggested to be a useful parameter in the determination of herd performance in field experiments.<br>
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 68 (9), 935-940, 2006
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206431202304
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- NII論文ID
- 110004809493
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 8519207
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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
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可