Waec Model Questions Vol1 2020 Agricultural Science Question 6

Practice essay / theory question 6 from the 2020 Waec Model Questions Vol1 Agricultural Science examination. This question covers Animal Production .

Waec Model Questions Vol1 2020 Agricultural Science Essay / Theory
Topic: Animal Production
Question 6 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • essay

A smallholder keeps 12 lactating cows, each producing on average 15 L of milk per day. Milk composition is 3.5 % fat and 3.0 % protein. The farmer wishes to increase total milk yield by 10 % by supplementing the existing diet with a new concentrate feed that contains 12 % CP, 10 % fat and 2.5 Mcal ME per kilogram. The current ration per cow consists of 8 kg of roughage (dry matter 85 %, CP 8 %, ME 2.0 Mcal kg⁻¹) and 2 kg of a conventional concentrate (dry matter 90 %, CP 20 %, ME 2.8 Mcal kg⁻¹). The price of the new concentrate is ₦15 000 per tonne.

Question Parts

( a )
Determine the current daily intake of crude protein (CP) and metabolizable energy (ME) per cow (in kg of CP and Mcal of ME).

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About This Question

This is Waec Model Questions Vol1 2020 Agricultural Science Question 6. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Animal Production .

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