Some wardens and game managers have managed to protect and breed "disease-free" herds which become very valuable because they can be transported.

The Aidi or Chien de l'Atlas is a Moroccan dog breed used as a livestock guardian, protecting herds of sheep and goats.

The advocates of hunting ranches argue in turn that they help protect native herds from over-hunting and the stocking of exotic species actually increases their numbers and may help save them from extinction.

Fainting goats have come a long way since the days when farmers used them as decoys to protect herds of sheep from coyotes (coyote arrives; goat faints and is devoured; sheep escape).

Even the most jaundiced had seen the dragonets protecting the flocks and herds, and had to appreciate their value.

The many little alleys, or "yards," as they're called, were used to protect herds of sheep brought down from the fells during times of crisis.

They went into action with their new weapons and a grim determination to avenge their fallen comrades and protect their women and herds.

It served to protect herds of bison that had dropped in numbers from an estimated 40 million in 1830 to less than 1000 by 1900.

The Yala National Park in the southeast protects herds of elephant, deer, and peacocks.

To avoid having an injured livestock protection dog, and to better protect flocks and herds, it is common to use more than one dog in working situations.