Neco 2021 Agricultural Science Question 5
Practice objective / multiple choice question 5 from the 2021 Neco Agricultural Science examination.
A cattle farm has 120 cattle. A disease has an incubation period of 10 days and each infected animal becomes infectious for 5 days before recovery. The farm plans a vaccination programme that reduces susceptibility by 80 % per vaccinated animal. To achieve herd immunity, at least 75 % effective immunity in the herd is required. Each vaccine dose protects one animal for the whole risk period and costs ₦2,500. Determine the minimum number of cattle that must be vaccinated and the total cost of the vaccination programme.
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About This Question
This is Neco 2021 Agricultural Science Question 5. It is one of the objective questions from the 2021 Neco Agricultural Science examination.
Difficulty level: Medium .
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