Ken Lambrecht, DVM, discusses suckling behaviors in adult cats. There is no known organ-specific disease that cat suckling is related to, he says. However, if it begins fairly spontaneously, it could be a sign of pain or other stress, and the cat could be suckling as a coping strategy.
Source: PetMD, August 02, 2018. Link. Cats target anything that resembles mother cat’s mammae and surrounding hair. This includes fingers and toes.
INSIGHTS: Consider this article for social media and newsletters to help new cat owners gain knowledge on common cat behaviors.