The Canny Collar
Which Size?
The Canny Collar must fits snugly. You may need to choose a size down for bitches and smaller dogs - or a size up for a larger dogs.
| Common Breeds | Size | Common Breeds | Size | |
| Airedale Terrier | 4 | Jack Russell | 2 | |
| Akita | 6 | King Charles Cavalier | 1 | |
| Beagle | 3 | Labrador Retriever | 4 | |
| Bearded Collie | 4 | Lakeland Terrier | 2 | |
| Border Collie | 3 | Mastiffs - large | 7 | |
| Border Terrier | 2 | Rhodesian Ridgeback | 4 or 5 | |
| Boxer | 4 or 5 | Rottweiler | 5 or 6 | |
| Bullmastiff | 5 or 6 | Rough Collie | 3 | |
| Cocker Spaniel | 3 | Springer Spaniel | 3 | |
| Dalmation | 4 | Staffordshire Bull Terrier | 3 or 4 | |
| Doberman | 3 or 4 | Weimaraner | 4 | |
| German Shepherd | 4 or 5 | Westie | 2 | |
| Golden Retriever | 4 or 5 | Whippet | 2 | |
| Great Dane | 6 or 7 |