The middle intensity exercise model of rats according as Bedford exercises at the speed of 19. 3 m ? min~(-1).

• 运动组24只大鼠依据Bedford建立的大鼠运动模型方案进行运动:跑台坡度为10°；速度为19.；3 m·min~(-1)(相当于76%25VO_(2max))。