Spine and Disc Issues in Shetland Sheepdogs

Veterinary neurologists grade spinal cord injury by function. You can make a rough assessment at home, and it directly determines how fast you need to move.

Disc disease comes in two broad forms. The explosive kind happens in chondrodystrophic breeds, where an inherited difference causes the soft disc centre to calcify early. A hardened disc can rupture suddenly and fire material into the spinal canal, often in a dog only three or four years old. That is the classic Dachshund emergency.

The second form is the slow one. The outer ring of the disc thickens and bulges gradually upward against the cord over months or years. Signs creep in rather than arriving overnight: a slightly unsteady hind end, scuffed nails on the outer toes, hesitancy on stairs, and a dog who has quietly stopped jumping. This form is what a middle-aged or older Sheltie is more likely to develop, and the gradual onset is precisely why it gets attributed to age.

That difference changes what you should watch for. A Sheltie owner is less likely to face a dog who was fine at breakfast and paralysed by lunch, and more likely to face a dog whose gait has been subtly deteriorating for a season. Filming your dog walking directly away from you every couple of months, on the same stretch of path, gives you a comparison that memory cannot provide.

Wherever the process ends up, sedation for imaging is part of getting an answer, and advanced imaging generally requires full anesthesia. The Shetland Sheepdog carries a documented MDR1 drug sensitivity, so having the genotype on file before a neurological crisis is one of the more useful things an owner can do in advance.