Scotch Collie
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The Rough Collie or Long-Haired Collie is a British breed of long-coated herding dog of medium to large size. It is identical to the Smooth Collie in all respects but the length of the coat. Dogs of both breeds were bred for herding sheep in Scotland. In the twenty-first century the Rough Collie is commonly kept as a companion dog, or may be bred for showing. The recognised coat colours are sable or merle in various shades, tri-coloured or colour-headed white.
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🌿健康
While Rough Collies are generally resilient and healthy, there are some health problems that can affect the breed. Collie eye anomaly (CEA), a genetic disease which causes improper development of the eye and possible blindness, is a common ailment in the breed. More rarely, Rough Collies can be affected by progressive retinal atrophy (PRA), another genetic disease in which bilateral degeneration of the retina results in progressive vision loss culminating in blindness. Through genetic testing and careful screening program it would be theoretically possible to eradicate both of these problems i
👁形貌
Recognized colours include: Sable and white, where the "sable" ranges from pale tan to a mahogany Tricolour, which is primarily black edged in tan Merle, Blue or Sable merle, which is mottled. Colour-headed white, which is a mainly all-white coat, except for the head, which could be tri-, sable or blue. All have white coat areas, in the collar, parts of the leg, and usually the tail tip. Some may have white blazes on their faces. Note that the American Kennel Club accepts colour-headed white , where the dog is predominantly white with coloured markings of sable, tricolour, or blue merle on the
📜源流
Both the Rough and the Smooth Collie descend from a localised variety of herding dog originating in Scotland and Wales. The Scottish variety was a large, strong, aggressive dog, bred to herd highland sheep. The Welsh variety was small and nimble, domesticated and friendly, and also herded goats. When the English saw these dogs at the Birmingham market, they interbred them with their own variety of sheepdogs, producing a mixture of short- and long-haired varieties. After the Industrial Revolution, dog ownership became fashionable, and these early collies were believed to have been crossed with