Nutrient Classes 
           Nutrient Classes 
    Water
     Water
    Carbohydrates (CHO)
     Carbohydrates (CHO)
    Lipids (Fat or Ether Extract)
     Lipids (Fat or Ether Extract)
    Protein
     Protein
    Minerals
     Minerals
    Vitamins
     Vitamins
                       Water
                       Water
     The most important but most taken for 
      The most important but most taken for 
      granted nutrient
      granted nutrient
     Cheapest most abundant nutrient
      Cheapest most abundant nutrient
        Animals will die faster due to lack of water than 
         Animals will die faster due to lack of water than 
         any other nutrient
         any other nutrient
     65 - 85% of animal weight at birth 45 - 
      65 - 85% of animal weight at birth 45 - 
      60% at maturity
      60% at maturity
     Percentage decreases as percent fat 
      Percentage decreases as percent fat 
      increases
      increases
                        Water
                        Water
     Makes up 90 - 95% of blood
      Makes up 90 - 95% of blood
     3 Locations of water in body tissue
      3 Locations of water in body tissue
        Intracellular water
         Intracellular water
           Greatest % of body water (40%)
           Greatest % of body water (40%)
        Extracellular water
         Extracellular water
        Water in urinary and GI tract
         Water in urinary and GI tract
            Water Functions
            Water Functions
    Transportation of nutrients and 
     Transportation of nutrients and 
     excretions
     excretions
    Chemical reactions
     Chemical reactions
    Body temperature regulation
     Body temperature regulation
    Lubrication of joints and organs in 
     Lubrication of joints and organs in 
     body cavity
     body cavity
                 Water Intake
                 Water Intake
     Water Consumption of Unstressed 
      Water Consumption of Unstressed 
      animals
      animals
       Swine - 1.5 to 3 gal/hd/d
        Swine - 1.5 to 3 gal/hd/d
       Sheep - 1 to 3 gal/hd/d
        Sheep - 1 to 3 gal/hd/d
       Cattle - 10 - 14 gal/hd/d
        Cattle - 10 - 14 gal/hd/d