A day of guide dog 'Mao Mao'

Sun Jian'gang takes Mao Mao to a pet hospital for regular physical check. [Photo by Si Xinli/Xinhua] 

Mao Mao takes a vaccine at the pet hospital. [Photo by Si Xinli/Xinhua] 

The figure on the weighing machine indicates that the weight-loss plan Mao Mao has been undergoing is having an impact. The guide dog was a little bit overweight when checked last time. [Photo by Si Xinli/Xinhua] 

Guide dog Mao Mao plays ball on the grass. [Photo by Si Xinli/Xinhua]