A broiler farmer purchased 500 day-old chicks. At the end of 8 weeks, 460 birds were alive. What is the mortality rate of the flock?
A8%CORRECT
B92%
C40%
D4%
GCEAgricultural ScienceAnimal Production2023
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
Mortality rate = (Number of deaths ÷ Initial number of birds) × 100. Deaths = 500 − 460 = 40. Mortality rate = (40 ÷ 500) × 100 = 8%. Option B (92%) is the survival rate, not mortality. Options C and D result from incorrect arithmetic.
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