レースバトとドバトにおける不整脈の観察

  • 小林 正行
    東京農工大学農学部獣医学科家畜病理学教室
  • 樫田 陽子
    東京農工大学農学部獣医学科家畜病理学教室 第一製藥(株)開発研究所安全性研究センター
  • 町田 登
    東京農工大学農学部獣医学科家畜病理学教室
  • 桐生 啓治
    東京農工大学農学部獣医学科家畜病理学教室

書誌事項

タイトル別名
  • Observation on Spontaneously Occurring Arrhythmias in Racing Pigeons and Feral Pigeons.
  • レースバト ト ドバト ニ オケル フセイミャク ノ カンサツ

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説明

In order to examine the spontaneous occurrence of arrhythmias in 2 groups consisting of 18 racing pigeons and 48 feral pigeons, electrocardiograms using standard bipolar limb leads ( I, II and III) were recorded in both the groups of pigeons at rest. The racing pigeons showed a significantly higher incidence of arrhythmias than the feral pigeons (racing=100% ; feral=50.0% ; p<0.001). The incidence of every one of such arrhythmias in the racing, revealed sinus arrhythmia (SA) in 18 (100%), sinoatrial block or sinus arrest (SAB/SAT) in 11 (61.1%), second-degree atrioventricular block (2°AVB) Mobitz type I (Wenckebach type) in 6 (33.3%), and ventricular premature contraction in 3 (16.7%). The feral revealed SA in 12 (25.0%), SAB/SAT in 12 (25.0%), and 2°AVB Mobitz type I in 1 (2.1%) and Mobitz type II in 4 (8.3%). The present results showing differences of incidence of arrhythmias in the 2 groups of pigeons, suggest that the racing pigeon may be not only a relevant animal for studying arrhythmias related to the athletic heart but may be useful in correspondence with equine cardiology.

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