Neco 2017 Agricultural Science Question 43
Practice objective / multiple choice question 43 from the 2017 Neco Agricultural Science examination.
A farmer observes that, within two weeks, 30 % of a flock of 120 chickens have died. The surviving birds show swollen infra‑orbital sinuses, nasal discharge and a marked drop in egg production. Laboratory culture isolates *Mycoplasma gallisepticum*. Which of the following is the most appropriate single control measure? A. Vaccinate all birds immediately. B. Cull 50 % of the flock. C. Treat the flock with tetracycline for five days. D. Improve ventilation and enforce strict bio‑security.
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About This Question
This is Neco 2017 Agricultural Science Question 43. It is one of the objective questions from the 2017 Neco Agricultural Science examination.
Difficulty level: Medium .
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