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Introduction
Completion requirements
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There are five broad groups of essential nutrients:
Water is involved in the chemical reactions and the transport of nutrients in the animal’s body.
Energy feeds comprise two groups, carbohydrates and fats.
Protein feeds are essential for growth, preproduction and milk production.
Minerals for 3% of the animal’s body, with phosphorus and calcium being the most important.
Vitamins are usually available in sufficient quantities to grazing animals.
