sheep and dog gathered in grassy field walking through a stone wall

protectorate temperatures agricultural veterenarian domesticated electrified agriculture protection fahrenheit veterenary barricade livestock undefined security breeding november december february freezing farmland ruminant degrees celsius barrier grazing private bovidae biology canine safety tubing winter thirty meadow grassy mutton mammal dolly march wooly clean graze field stone grass aries bred cold zero wool wall lamb ovis two ewe herd