In the usual life cycle of Echinococcus granulosus, which animal is the definitive host?
Correct answer: B. Dog
- A. Sheep
- B. Dog
- C. Human
- D. Cattle
Explanation
Dogs and other canids carry the adult tapeworm in the intestine and shed eggs in their feces, making them definitive hosts. Sheep commonly serve as intermediate hosts, while humans are accidental intermediate hosts.
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About Veterinary Public Health and Zoonoses
Veterinary public health examines how animal health affects human health through zoonotic diseases, food safety, environmental sanitation and population disease control. Coverage includes rabies, brucellosis, tuberculosis, anthrax, avian influenza and parasitic infections, along with their reservoirs, routes of transmission, surveillance, vaccination, quarantine and prevention under the One Health approach.
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