Here's why:
* Different Tapeworm Species: Cats and dogs usually get infected with different species of tapeworms. The most common tapeworm in dogs is *Taenia pisiformis*, while the most common in cats is *Taenia taeniaeformis*. These tapeworms have different life cycles and require different intermediate hosts (usually rabbits for *Taenia pisiformis* and rodents for *Taenia taeniaeformis*).
* Transmission: Tapeworms are usually transmitted through ingestion of infected intermediate hosts (like rabbits or rodents). Direct transmission from cat to dog is rare.
However, there are a few exceptions:
* *Echinococcus multilocularis*: This tapeworm can infect both cats and dogs and can be transmitted through contact with infected feces. It is less common but can be a serious health concern.
* *Dipylidium caninum*: This tapeworm is primarily found in dogs but can also infect cats. The intermediate hosts are fleas, and dogs can get infected by swallowing fleas.
To prevent tapeworm infection in dogs:
* Keep your dog on a regular deworming schedule.
* Avoid feeding your dog raw meat or organs.
* Wash your hands thoroughly after handling dog waste.
* Have your dog treated for fleas if necessary.
If you suspect your dog has tapeworms, contact your veterinarian for diagnosis and treatment.