Reference material | Country | #Dogs | Median lifespan, years |
---|---|---|---|
Assistance dog databasea | US | 498 | 12.0 |
Lawler et al. [2] | US | 48 | ‘Restricted’ group: 13.0 |
Kealy et al. [19] | ‘Control’ group: 11.2 | ||
Adams et al. [8] | UK | 574 | 12.25 |
O’ Neill et al. [12] | UK | 418 | 12.5 |
Michell [6] | UK | 328 | 12.6 |
Proschowsky et al. [7] | Denmark | 199 | 10.5 |
Typical lifespan of Labrador retrieversb | 12.0 |