Possible Clues:

• Domestic animal, model walker, gets shot of 19 5 to gate
• Bars Galloway avoids?
• A boundary for Hereford or Ayrshire?
• Animals are barred from crossing this
• Highway feature to stop livestock straying
• Animal wants limb freed, catching end of foot in this?
• It allows access to estates, excluding Hereford, maybe
• Series of bars as animal restraint, ultimately — walker free?
• Neat electrical network that keeps farm animals in a field
• Barrier to animals but not to vehicles