Dogs become infected with Aelurostrongylus abstrusus by ingesting intermediate hosts such as snails or paratenic (paratenic describes an intermediate host which is not needed for the development of the parasite, but nonetheless serves to maintain the life cycle of the parasite) hosts (birds, rodents etc). After ingestion, the larvae pass into the intestine. The larvae

These are transferred to your pet when an infected flea or louse is swallowed; therefore regular flea control is also necessary. The tapeworm can also infect your pet if a contaminated bird, rodent or sheep is eaten. A tapeworm infestation can cause vomiting and diahorrea. Tapeworm segments are usually visible around the anus or passed

These can be transferred to your pet in three ways: In the womb Via the mother’s milk Contact with eggs in the environment Signs of a roundworm infestation include weight loss, anaemia and vomiting. In extreme cases death, due to heart failure, may occur.