Gce Model Questions Vol1 2022 Agricultural Science Question 21
Practice objective / multiple choice question 21 from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
An earthen pond of 2 ha with an average depth of 1.5 m is used for tilapia farming. The pond can sustainably support a maximum biomass of 0.5 kg m⁻³. Tilapia are stocked at an unknown density N fish per hectare. Each fish starts at 0.1 kg and gains weight at a constant rate of 0.02 kg per day. The culture period is 120 days. Feed conversion ratio (FCR) is 1.5 kg feed per kg weight gain, feed costs ₦150 per kg, and market price of fish is ₦500 per kg. Fixed operating costs amount to ₦200 000. Determine the greatest integer value of N (fish ha⁻¹) that satisfies both the biomass limit and yields a profit of at least ₦500 000.
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This is Gce Model Questions Vol1 2022 Agricultural Science Question 21. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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