What crucial element of care was largely absent during Hachiko's later years at the station?

Answer

Consistent, professional veterinary attention

Although the community kept him alive through food and water, the text notes that he did not receive the kind of consistent, professional veterinary attention that might have alleviated his later suffering.

What crucial element of care was largely absent during Hachiko's later years at the station?
animalDogstoryownerLoyalty