AN SC 260 - 1

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Author:
ebacker
ID:
172661
Filename:
AN SC 260 - 1
Updated:
2012-10-11 22:35:52
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AN SC 260
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Description:
Introduction to Animal Nutrition
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  1. What is Least Cost Formulation?
    Providing all nutrients at the lowest cost
  2. What are the 6 nutrient categories?
    • Water
    • Inorganic elements (minerals)
    • Protein
    • Carbohydrates
    • Lipids
    • Vitamins
  3. Which nutrient categories are considered dry matter?
    • Inorganic Elements (minerals)
    • Protein
    • Carbohydrates
    • Lipids
    • Vitamins
  4. Which nutrient categories are considered organic matter (composed of C, H, O)?
    • Protein
    • Carbohydrates
    • Lipids
    • Vitamins
  5. Energy is not a nutrient, it is a _____
    Property
  6. Why is Energy not a nutrient?
    It can not be added to the diet without adding one or more of the following:

    • Lipids
    • Carbs
    • Proteins
  7. Generally, different animals do not need different nutrients. However, there are some metabolic differences, what are they?
    • Amino Acid Synthesis
    • Ultra-trace Minerals
    • Vitamin C
    • Arachidonic Acid
  8. What are the general function of the nutrients?
    • Structural Material
    • Energy
    • Regulatin
    • Products or Work
  9. What is nutrition?
    The study of taking in and utilization of food/feed
  10. Why is animal nutrition historically important?
    Much current nutrition knowledge was discovered in animals (rats, dogs, pigs, chickens).

    Animal models/nutrition continues to be important
  11. Who was the father of nutrition and what did he discover?
    Antoine Laviosier

    Animals produce energy by a form of combustion
  12. What 2 scientists are associated with Beri-Beri and what did they discover?
    Christiaan Eijkmann - Polished rice causes beri-beri, feeding rice bran corrected the problem.

    Casimir Funk - Isolated responsible compound (Thiamine), coind the term "Vitamine"
  13. How was Scurvy discovered?
    • James Lind
    • Controlled feeding experiment
    • Lime juice (which contains Vitamin C)

    Later, tests done on Guinea Pigs proved that humans cannot synthesize Vitamin C
  14. Animals contain elements in the form of...
    • Water
    • Protein
    • Lipids
    • Inroganic Elements
    • Very Little Carbs
  15. What is the ratio of fat-free element forms in the body?
    19:5:1

    • 74-76% Water
    • 20-22% Protein
    • 3-5% Ash
  16. What are the building blocks for tissues?
    • Nitrogen/amino acids
    • Fatty acids
    • Minerals
    • Water
  17. What influences the amount of nutrient requirements?
    • Type of GI tract
    • Age & size
    • Level & type of productivity
    • Bioavailabiity of dietary components
  18. Requirements of each nutrient depend on...
    • Proportion of body mass
    • Turnover and losses

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