“definitive host”簡單造句，definitive host造句子

Cysts should be excised and sterilized to avoid ingestion by the definitive host.

This disease is spread by the dissemination of viable tapeworm ova from the feces of infected dogs and other definitive hosts.

Echinococcosis is spread by the dissemination of viable tapeworm ova from the feces of infected dogs and other definitive hosts.