Staphylococcus aureusによる乳房炎が高率に発生する酪農場におけるその制御
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- NAGAHATA Hajime
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- ITO Hiroyasu
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- MARUTA Hiroshi
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- NISHIKAWA Yuzo
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- SUSUKINO Hiromi
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- MATSUKI Susumu
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- HIGUCHI Hidetoshi
- Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University
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- OKUHIRA Takeshi
- Rakuno Gakuen University Farm
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- ANRI Akira
- Large Animal Clinic and Research Center
書誌事項
- タイトル別名
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- Controlling Highly Prevalent Staphylococcus aureus Mastitis from the Dairy Farm
- Theriogenology: Controlling highly prevalent Staphylococcus aureus mastitis from the dairy farm
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抄録
In 57 Holstein cows where the dairy farm uses a milking parlor system, the somatic cell count (SCC) increased persistently in the bulk milk (monthly mean 52.3 × 104 cells/ml; range 21 to 94 × 104 cells/ml). We detected S. aureus in 24 (41.2%) of the 54 lactating cows and in 29 (12.8%) of 227 quarters of the 57 milking cows in the herd. A control program was implemented in an effort to eradicate S. aureus mastitis from this dairy farm. The control plan established improved handling of the lactating cows, improved milking procedures, dry-cow therapy, and culling of infected cows. The program was monitored for 3.5 years by frequent checkups on the rate of S. aureus infection, the SCC, and the changes in milk composition. Eighteen months after the control program was started, the rate of S. aureus infection in the quarter milk decreased dramatically, and no S. aureus isolates were found in the milk of the remaining cows. The SCC in the bulk milk of the herd dropped to a monthly mean of <20 × 104 cells/ml. In conclusion, the control program was effective for controlling persistent S. aureus mastitis in this dairy herd.<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 69 (9), 893-898, 2007
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
- 1390282681408001408
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- NII論文ID
- 110006388645
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- HANDLE
- 10659/1412
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- NDL書誌ID
- 8955186
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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