zoophilism
/zoʊ.ɪˈfɪ.lɪ.zəm/Definitions
1. noun
A love or fondness for animals
“She had a strong case of zoophilism, which motivated her to volunteer at the local animal shelter.”
2. noun
Excessive or unreasonable fondness for animals
“His zoophilism led him to neglect his own needs and spend all his money on exotic pets.”