ive broken all mine,by starting off walking past sheep and cattle,give them a long lead.if they look like they want to chase,pull them in short lead say "NO",do this for a few days,then walk him through the field applying the same procedure.he will soon pick up you dont want hom chasing cattle/sheep.once you think he is ready off with his lead and walk him through the field.by then mine are normally pretty good at basic commands.cpl weeks you be sorted having said that ive seen some animals that no matter what you did were just out and out killers lol domestic animals sheep everything was fai