已收录 268921 条政策
 政策提纲
  • 暂无提纲
Passive surveillance for ticks on horses in Saskatchewan
[摘要] Passive surveillance of ticks on horses in Saskatchewan revealed that the horses were parasitized by 3 species, Dermacentor albipictus, D. andersoni, and D. variabilis. The nymphs and adults of D. albipictus occurred on horses earlier in the year than did adults of the 2 other species.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 兽医学
[关键词]  [时效性] 
   浏览次数:2      统一登录查看全文      激活码登录查看全文