In a tabular form, state: (a) four food nutrients... | WAEC SSCE - Agricultural Science - 1995

Question 1 Report

In a tabular form, state: (a) four food nutrients in livestock production: (b) two sources of each food nutrient stated in (a); (c) two functions of each nutrient stated in (a)

Answer

The four major food nutrients required in livestock production, with two sources and two functions of each, are shown below.

Food nutrient	Two sources	Two functions
Carbohydrates	Maize; guinea corn (also cassava, cereal grains)	Supply energy for body activities; provide heat to keep the body warm (and store energy as fat)
Proteins	Groundnut cake; soya bean meal (also fish meal, blood meal)	Build new body tissues and promote growth; repair worn-out tissues (and form milk, eggs, enzymes and hormones)
Fats and oils (lipids)	Palm oil; groundnut oil (also oil-seed cakes)	Supply a concentrated source of energy; provide and store body heat (and carry fat-soluble vitamins)
Minerals (for example calcium and phosphorus)	Bone meal; oyster shell / limestone (also common salt for sodium and chlorine)	Form strong bones, teeth and egg shells; regulate body processes and body fluids (and are needed for blood formation)

(Vitamins and water are also essential dietary constituents; the four nutrients above are the standard answer required.)

Read lesson note on Animal Feeds And Feed Stuffs And Their Local Sources (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Anatomy And Physiology Of Farm Animals (WAEC)

Answer Details

The four major food nutrients required in livestock production, with two sources and two functions of each, are shown below.

Food nutrient	Two sources	Two functions
Carbohydrates	Maize; guinea corn (also cassava, cereal grains)	Supply energy for body activities; provide heat to keep the body warm (and store energy as fat)
Proteins	Groundnut cake; soya bean meal (also fish meal, blood meal)	Build new body tissues and promote growth; repair worn-out tissues (and form milk, eggs, enzymes and hormones)
Fats and oils (lipids)	Palm oil; groundnut oil (also oil-seed cakes)	Supply a concentrated source of energy; provide and store body heat (and carry fat-soluble vitamins)
Minerals (for example calcium and phosphorus)	Bone meal; oyster shell / limestone (also common salt for sodium and chlorine)	Form strong bones, teeth and egg shells; regulate body processes and body fluids (and are needed for blood formation)

(Vitamins and water are also essential dietary constituents; the four nutrients above are the standard answer required.)

Read lesson note on Animal Feeds And Feed Stuffs And Their Local Sources (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Anatomy And Physiology Of Farm Animals (WAEC)

Animal Feeds And Feed Stuffs And Their Local Sources

Animal Nutrition

Anatomy And Physiology Of Farm Animals

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In a tabular form, state: (a) four food nutrients in livestock production: (b) two sources of each food nutrient stated in (a); (c) two functions of each nu...

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In a tabular form, state: (a) four food nutrients in livestock production: (b) two sources of each food nutrient stated in (a); (c) two functions of each nu...

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