Vector control efficacy of fly nets on preventing bovine leukemia virus          transmission

Junko KOHARA; Miki TAKEUCHI; Yuki HIRANO; Yoshie SAKURAI; Toshihiko TAKAHASHI

doi:10.1292/jvms.18-0199

Abstract

Bovine leukemia virus (BLV) is horizontally transmitted among cattle through infected blood. This 3-year field study (2013–2016) aimed to confirm the potential of the blood-sucking stable fly as a risk factor of BLV transmission and to determine the efficacy of vector control on preventing the transmission of BLV. The BLV-positive conversion rate during summer was higher than that during winter in a model dairy farm, where many stable flies were observed during the summer. After fly nets were fixed onto the barn to prevent fly invasion, the BLV-positive conversion rate during the summer was significantly decreased compared with that in the absence of fly nets (P<0.01). These findings suggest that vector control using a fly net may inhibit BLV transmission.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 改変禁止 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja

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