イギリスの牛の結核発生率に局所的なバグダの切り離しによる影響
Christl A Donnelly1, Rosie Woodroffe, D R Cox
1Independent Scientific Group on Cattle TB, c/o Department for Environment, Food & Rural Affairs, 1A Page Street, London SW1P 4PQ, UK. c.donnelly@imperial.ac.uk
Nature
|November 25, 2003
まとめ
イギリスで牛の結核 (TB) を制御するための局所的なバグダの断絶は失敗しました. この研究は,バザルを殺害することが実際に牛の結核発生率を増加させ,動物と人間の健康にリスクをもたらす可能性があることを示しています.
科学分野:
- 獣医学伝染病学 獣医学伝染病学
- 野生動物の病気 エコロジー エコロジー
- 病原体伝播のダイナミクス
背景:
- 野生動物,家畜,人間との間に伝染する病原体は,健康と経済に重大なリスクをもたらします.
- 牛の結核 (TB) の原因であるMycobacterium bovisは,イギリスで大きな懸念事項となっています.
- 牛の結核の発生率の増加は,野生動物,特にバッジ,感染を維持し,感染を伝播するものと関連しています.
研究 の 目的:
- 牛における牛結核の制御のための戦略として,局所的なバグダの断絶の有効性を評価する.
- 牛の集団における結核の発生率に対するバジルの断絶の影響を調査する.
主な方法:
- バジルの断絶の影響を評価するために,大規模なフィールド試験が行われました.
- 牛の結核発生率に関するデータを収集し,屠殺の取り組みに関連して分析しました.
主要な成果:
- 局所的なバザーの断絶は,牛の結核発症を制御せず,増加しているように見えた.
- 以前の断絶政策 (1975年-1997年) は,20,000頭以上のバードジャーに関与し,紛争を引き起こした.
結論:
- 局所的なバグダの断絶は,牛の結核を制御する効果のない戦略です.
- この調査結果から,バジラの断絶は,牛への結核の感染を悪化させる可能性があることが示唆され,制御政策の再評価が必要となる.
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