Neco 2021 Agricultural Science Question 6

Practice essay / theory question 6 from the 2021 Neco Agricultural Science examination. This question covers Feed formulation, Nutrient requirements, Cost analysis, Poultry health management .

Neco 2021 Agricultural Science Essay / Theory

Topics: Feed formulation Nutrient requirements Cost analysis Poultry health management

Question 6 NECO • 2021 • AGRICULTURAL_SCIENCE • essay

A smallholder keeps a flock of 80 laying hens. Each bird requires a daily intake of 110 g of a concentrate that contains 16 % crude protein and 2800 kcal kg⁻¹ metabolizable energy. The farmer wishes to improve the diet to 20 % crude protein by partially replacing the concentrate with soybean meal (44 % protein, 0 % protein filler). The concentrate costs ₦250 kg⁻¹ and soybean meal costs ₦500 kg⁻¹. Answer the following:

Question Parts

( a )

Calculate the total daily feed requirement (kg) for the whole flock.

( b )

Determine the proportion (by weight) of soybean meal that must be mixed with the concentrate to obtain an overall diet of 20 % crude protein. Show your calculation.

( c )

Using the proportion from (b), estimate the annual feed cost for the flock (assume 365 days of production).

( d )

Discuss two major health challenges affecting layer birds in tropical Nigeria and outline preventive measures for each.

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About This Question

This is Neco 2021 Agricultural Science Question 6. It is one of the essay questions from the 2021 Neco Agricultural Science examination.

The question covers Feed formulation, Nutrient requirements, Cost analysis, Poultry health management .

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