This is the so called " Vache d' Hérens" from Valais in Switzerland. The fights actually happen when the farmers bring their cow herds together to the communal pastures in the mountains (alp). As they bring together their cattle, the cows naturally establish a new hierarchic order amongst them. ...
Hallo, könnte man anstelle der Lichtsensoren auch Hallsensoren verwenden, oder würden sie durch die Magnetfelder der Spulen gestört?