The Smooth Collie is a breed of dog developed originally for herding. It is a short-coated version of the Rough Collie of Lassie fame. Some breed organisations consider the smooth-coat and rough-coat dogs to be variations of the same breed. Shedding is moderate most of the year, heavy during the twice-yearly shedding season. sable (Lassie's colour; can be light gold to deep mahogany); tricolour (black, with tan and white markings); and blue merle (silvery gray marbled with black, and tan markings), all marked with white areas on the chest, neck, feet/legs, and tail tip. An additional colour is white (these Collies are predominantly white, with heads and usually a body spot of sable, tri, or blue colour). Gastric dilatation volvulus (bloat): A painful and often fatal twisting of the stomach occurring in large or deep-chested breeds which can usually be prevented by feeding small meals and not allowing vigorous exercise immediately before or after eating.
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