Dictyocaulus viviparus is commonly known as the cattle lungworm because adult worms are mainly found in the:
Correct answer: C. Bronchi and bronchioles
- A. Small intestinal lumen
- B. Bile ducts and gall bladder
- C. Bronchi and bronchioles
- D. Urinary bladder
Explanation
Adult Dictyocaulus viviparus occupy the bronchi and bronchioles of cattle, where they interfere with airflow and cause respiratory disease. Bile ducts are associated with liver flukes, not cattle lungworms.
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Covers protozoa, helminths and arthropods that infect domestic animals, including their morphology, life cycles, hosts, transmission and clinical effects. Questions connect parasite identification with diagnosis, prevention and treatment, and distinguish endoparasites from ectoparasites and definitive hosts from intermediate hosts.
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