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Introduction to Nutrients

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It is estimated that it takes 1,368 gallons of water to produce 1 lb of body ... silage- corn- 10-12% water. Metabolic water. water produced by oxidation of nutrients ... – PowerPoint PPT presentation

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Title: Introduction to Nutrients


1
Introduction to Nutrients
  • A nutrient is any chemical (element or compound)
    in the diet that supports normal reproduction,

2
Nutrient Classification
  • Essential Nutrient
  • - Cannot be manufactured by the body
  • or
  • not synthesized in substantial
  • -

3
Nutrient Classification
  • Non-Essential Nutrient
  • -
  • - Not critical in the diet

4
Essential Nutrient
  • Water (H20)
  • 3. Fat
  • 4. Protein
  • 6. Vitamins

5
Water
  • Cheapest and most abundant nutrient found on
    earth
  • 90-95 of blood

6
Water (just a note)
  • It is estimated that it takes 1,368 gallons of
    water to produce 1 lb of body weight gain in
    cattle fed alfalfa.
  • 114 gallons of H20 to produce 1 lb of Alfalfa
  • X 12 lbs of alfalfa to produce 1 lb of body
    weight gain
  • 1,368 gallons for 1 lb body weight gain

7
Functions of Water
  • A. Transportation medium
  • 1. Blood
  • 2.
  • 3. Interstitial fluid- between cells
  • 4.

8
Functions of Water
  • Temperature regulator
  • 1. High specific heat- traps heat
  • 2.

9
Functions of Water
  • Lubricant
  • 1.
  • 2. Muscles- glide past one another
  • 3.
  • 4. Eyes

10
Functions of Water
  • Cell turgidity and shape
  • 1. Water needed for every cell
  • 2.
  • 3. Moves in and out of cell due to

11
Functions of Water
  • Hydrolysis
  • 1.
  • 2. Most chemical reactions require
  • water

12
Factors Affecting Water Consumption
  • 1. Environment- Temp Humidity
  • 2.
  • 3. Dietary factors
  • 4. Animal function
  • 5.

13
Water
  • Approximate water consumption for mature
    nonstressed animals
  • -Swine-
  • -Sheep- 1 - 4 gal/hd/day
  • -Cattle-
  • -Horses- 10 - 14 gal/hd/day
  • -Poultry- 2 parts water for each 1 part
  • dry feed

14
Water Sources
  • Free liquid
  • Water in feed
  • silage-
  • corn- 10-12 water
  • Metabolic water
  • water produced by oxidation of nutrients
  • -

15
Water Losses
  • Urine
  • Vaporization from lungs and dissipation through
    skin

16
Dehydration
  • Acute due to no water intake
  • Chronic (gradual) may result from
  • -scours
  • -
  • -lack of clean drinking water

17
Water Absorption
  • Water is readily absorbed from most sections of
    the GIT
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