What does a high faecal egg count in a grazing animal most directly indicate?
Correct answer: B. Egg shedding by adult reproductive worms
- A. Complete immunity to the parasite
- B. Egg shedding by adult reproductive worms
- C. Death of all tissue larvae
- D. Absence of environmental contamination
Explanation
A high faecal egg count usually indicates that mature female worms are producing and shedding eggs into the intestine. It estimates contamination potential, but it does not by itself measure every tissue larva or prove the animal's total worm burden.
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About Veterinary Parasitology
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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