Neco 2025 Agricultural Science Question 48
Practice objective / multiple choice question 48 from the 2025 Neco Agricultural Science examination.
A poultry farm has 800 chickens. A disease with a 7‑day incubation period causes a 40% mortality if untreated. A vaccine becomes effective 14 days after administration and is 90% effective. On day 3 of an outbreak, 5% of the chickens show symptoms. The farmer vaccinates all remaining healthy chickens on day 3. Assuming no other interventions, how many chickens are expected to survive the outbreak by day 21?
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About This Question
This is Neco 2025 Agricultural Science Question 48. It is one of the objective questions from the 2025 Neco Agricultural Science examination.
Difficulty level: Medium .
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