夏季飞来昆虫对放牧牛摆尾行为的影响

Influences of Pest-files on the Tail Swaying Behavior of Grazing Cattle in Summer

本研究选择黑毛和牛种牛4头作为实验牛。从2000年8月至10月,在0.8ha的实验牧草地进行了实验。实验结果表明:飞来昆虫消化的季节,飞来昆虫对放牧牛摆尾行为的影响可能存在个体飞来昆虫不仅引起牛的体表护理行为,还可能导致心理上的应激。

Four Japanese Black cattle were monitored from August to October in experimental pasture. The experimental result showed that there might be individual difference in quantity of tail swaying behavior of grazing cattle caused by pest-files in summer. When there were season pest-flies. It would cause the cattle tail swaying frequently and habited tail swaying behavior. Summer pest-files did not only disurbing cattle's grooming behavior,but also may cause emotional stress.