ESPRIT DE CORPS
The Highland Greyhounds or Deer hounds as they are called in the Highlands have a great antipathy to the sheep dogs and never fail to attack them whenever an opportunity offers.
A shepherd, whose colly had frequently been attacked by the Deer dogs of Glengarry singly, and always succeeded in beating them off on such occasions, was one day assailed by them in a body, and his life would have been in considerable danger, but for one of the keepers who happened to pass at the time and called them off.

If you've not come across it before there is a huge amount to read on google books, see here as a starting point...
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Rob