The world’s long-lived dogs certified by Jiménez have just passed their 31-year-old lifeday. It is understood that this Portuguese livestock dog, named Bobi, was born on 11 May 1992 and officially certified by Jiménez as the world’s long-lived dogs on 1 February this year, breaking the record of his predecessor, a Australian cattle dog, named Bluey, for nearly a century (29 years old). It was noted that the lifespan of the Portuguese livestock dogs generally ranged from 12 to 14 years, while ...