Table 3.
Key statistics extracted from the life tables of 18 individual dog breeds and of crossbred, including the life expectancy at age 0 and at the last age, using the data of dogs under primary veterinary care in the UK.
| Breed | Life expectancy () at age 0 and the 95% confidence interval (CI) | Last age (year) in the life table | at the last age (year) in the life table and the 95% CI | Year interval when become 1.5 | Number of dogs in the life table |
|---|---|---|---|---|---|
| Jack Russell Terrier | 12.72 (12.53–12.90) | 19 | 0.66 (0.39–0.97) | 14–15 | 1620 |
| Yorkshire Terrier | 12.54 (12.30–12.77) | 18 | 0.74 (0.45–1.05) | 14–15 | 1042 |
| Border Collie | 12.10 (11.85–12.33) | 17 | 0.68 (0.42–1.00) | 13–14 | 942 |
| Springer Spaniel | 11.92 (11.69–12.13) | 16 | 0.73 (0.47–1.03) | 12–13 | 790 |
| Crossbred | 11.82 (11.72–11.92) | 19 | 0.54 (0.36–0.76) | 14–15 | 6511 |
| Labrador Retriever | 11.77 (11.67–11.89) | 16 | 0.51 (0.34–0.71) | 12–13 | 2500 |
| Staffordshire Bull Terrier | 11.33 (11.19–11.48) | 18 | 0.61 (0.29–0.97) | 13–14 | 2364 |
| Cocker Spaniel | 11.31 (11.13–11.53) | 16 | 0.51 (0.33–0.70) | 12–13 | 1073 |
| Shih-tzu | 11.05 (10.73–11.40) | 17 | 0.83 (0.48–1.26) | 13–14 | 638 |
| Cavalier King Charles Spaniel | 10.45 (10.26–10.62) | 15 | 0.77 (0.48–1.10) | 11–12 | 867 |
| German Shepherd Dog | 10.16 (10.00–10.370 | 15 | 0.79 (0.50–1.14) | 11–12 | 1110 |
| Boxer | 10.04 (9.85–10.21) | 15 | 0.83 (0.29–1.46) | 10–11 | 836 |
| Beagle | 9.85 (9.17–10.24) | 14 | 1.08 (0.62–1.59) | 12–13 | 172 |
| Husky | 9.53 (8.71–9.88) | 14 | 1.02 (0.49–1.60) | 12–13 | 154 |
| Chihuahua | 7.91 (7.48–8.39) | 16 | 1.07 (0.67–1.52) | 15–16 | 458 |
| American Bulldog | 7.79 (7.16–8.33) | 12 | 1.48 (0.95–2.03) | 10–11 | 129 |
| Pug | 7.65 (6.99–8.20) | 13 | 1.17 (0.75–1.63) | 11–12 | 197 |
| English Bulldog | 7.39 (7.08–7.69) | 13 | 0.59 (0.35–0.82) | 9–10 | 478 |
| French Bulldog | 4.53 (4.14–5.01) | 11 | 1.39 (0.84–1.98) | 10–11 | 232 |