There are several events, but the key element is the control of three to six sheep by one or two highly trained dogs under the control of a single handler.

• 牧羊犬比赛的形势有好几种，一种比较受欢迎的比赛要求一只或两只训练有素的犬只能在一名指导手的引导下控制三至六只羊。