If your dog eats prey such as rodents or rabbits, reinfection can occur with passage of tapeworm segments in 6 - 8 weeks. (glenerinanimalhospital.com)
Sometimes owners will notice tapeworm segments on fur around the anus, or even see long stringy worms in the stool. (blog.nhvnaturalpetproducts.com)
However, if your cat continues to hunt and eat prey, reinfection can occur with passage of tapeworm segments in 6 - 8 weeks. (brittonroadveterinaryclinic.com)