Collie (Smooth)

Purpose & Origin

The Smooth Collie shares its ancestry with the Rough Collie, and both types were documented in Scotland as far back as the 18th century. At the start of the 19th century the smooth type was heavier and more compact; a cross with a greyhound gave it the taller, leaner profile it carries today, and later breeding with the Rough Collie brought the two varieties even closer in type.

Queen Victoria encountered these dogs at Balmoral in the early 1860s and brought several back to Windsor Castle, transforming a working shepherd's dog into a fashionable companion almost overnight. In the 20th century the Rough Collie's spectacular coat won the show ring, and the Smooth variety came close to extinction after both World Wars, surviving through the efforts of a small group of dedicated breeders. Registrations still run roughly 50 Roughs for every Smooth at the Kennel Club.

Temperament & Behaviour

The Smooth Collie is loyal, alert, and sensitive to its household. It is good-natured with children and generally tolerant of other pets. Strangers are met with reserve, and the breed's high watchdog score reflects genuine attentiveness: it notices everything and will announce it. Harsh handling or an unpredictable environment will produce a stressed, shut-down dog. This breed needs consistency and calm above all else.

Activity & Training

Exercise requirements sit in the middle range. A couple of solid walks and active play daily is sufficient; this is not a high-drive dog, but it needs purpose. Herding instincts remain present and channel well into obedience, rally, or agility. Trainability scores at 3 out of 5, reflecting sensitivity rather than lack of intelligence. Positive reinforcement works well; pressure or repetitive drilling causes disengagement. Short, varied sessions work best.

Grooming

The coat is short, dense, and double-layered, and it scores 1 out of 5 for grooming, the lowest tier. Weekly brushing handles normal maintenance. During the twice-yearly heavy shed the undercoat releases in volume and brushing frequency should increase for a few weeks, but it never approaches the work a Rough Collie coat demands.

Health

Lifespan is typically 12 to 14 years, solid for this size. Two health concerns are shared across both collie varieties and should be understood before buying.

Collie Eye Anomaly (CEA) is a developmental retinal defect present from birth, ranging from clinically insignificant to vision-impairing. Both parents should carry current ophthalmologist certification.

The MDR1 (ABCB1) gene mutation affects drug processing at the blood-brain barrier; around 70% of collies carry at least one copy. Standard doses of ivermectin, loperamide, acepromazine, and several other common medications can trigger severe neurological reactions in affected dogs. DNA testing is straightforward and inexpensive, and any treating veterinarian needs to know the dog's status.

Why these breeds are similar

**Collie (Rough):** The closest relation by definition, identical in breed standard except for coat length. The two were formally one breed and remain grouped together in several kennel club frameworks.

**Border Collie:** Another Scottish herder of comparable size, sharper and more intense with higher exercise demands, but sharing the herding origin, general build, and handler-sensitivity.

**Bearded Collie:** A longer-coated Scottish herder with a bouncier, more independent character. Shared working background and similar size make it a natural comparison; the coat is a real maintenance commitment by comparison.

**Schapendoes:** A Dutch herding breed of similar size and moderate energy, sharing the collie family's alertness and trainability.

**Shetland Sheepdog:** A miniaturised collie type developed partly from the same Scottish stock. The Sheltie mirrors the Smooth Collie's sensitivity, intelligence, and watchdog instincts in a much smaller package, and carries the same CEA and MDR1 risks.