Either public with dogs stay off public rights of way with cows and calves or beasts in field present or no cows and calf’s or beasts in fields with footpaths. Anyone talking dog into field with cows and calves does so at own risk and can expect the worse. Plenty Of signs methinks.
Every summer have to negotiate fields with young bullocks in and am centre of attraction

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Watched a dog fox travel full length of field with cows and calves and no reaction whatsoever, same location different field my friends the bullocks chased a half grown cub a long way before reaching fence, suspect just a game?