Neco 2024 Agricultural Science Question 48
Practice objective / multiple choice question 48 from the 2024 Neco Agricultural Science examination.
In a poultry flock of \(800\) birds, an outbreak of Newcastle disease occurs. Without vaccination the mortality rate is \(70\%\). A vaccine reduces mortality to \(10\%\) and confers immunity to \(85\%\) of vaccinated birds; the remaining \(15\%\) of vaccinated birds still suffer the reduced mortality of \(10\%\). The farmer can vaccinate only a portion of the flock before the outbreak. What is the minimum number of birds that must be vaccinated so that the expected total deaths do not exceed \(100\) birds?
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About This Question
This is Neco 2024 Agricultural Science Question 48. It is one of the objective questions from the 2024 Neco Agricultural Science examination.
Difficulty level: Medium .
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