Gce Model Questions Vol1 2017 Agricultural Science Question 6
Practice objective / multiple choice question 6 from the 2017 Gce Model Questions Vol1 Agricultural Science examination.
A farmer rears two breeds of goats. Breed A gains an average of 120 g per day on a diet of 150 g dry matter (DM) containing 16 % crude protein (CP). Breed B gains 150 g per day on a diet of 180 g DM containing 14 % CP. The farmer wishes to formulate a mixed concentrate using two ingredients: Ingredient X (20 % CP, cost $0.30 kg⁻¹) and Ingredient Y (12 % CP, cost $0.20 kg⁻¹). The goal is to achieve the same average daily gain as Breed B (i.e. a feed conversion ratio of 1.2 kg DM per kg gain) while minimising the daily feed cost and ensuring the diet supplies at least 14 % CP. What proportion (by weight) of Ingredient X must be used in the mixed concentrate? Express your answer as a percentage to the nearest whole number.
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About This Question
This is Gce Model Questions Vol1 2017 Agricultural Science Question 6. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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