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...
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 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.)
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