AGSC Quiz 3

What are Nutrients

substance that provides nurishmentn for growth and maintence of life

What are the 6 nutrients including

1. Carbohydrates

2. Lipids

3. Protein

4. Vitamins

5. Minerals

6. Water

Where do we find nutrients

feedstuff

What is feedstuff

any material or ingfredient used as food for animals

3 ways to use water

1. Feed/moisture

2. Drinking/water

3. Matabolism

What are carbohydrates

the major dietary source of energy

What are carbohydrates composed of

carbon, hydrogen, oxygen

What are Monosaccharide

simple sugars, cannot be hydrolyzed into simple compunds

What are examples of Monosaccharides

glucose, fructose, galactose

Disaccharides

two Monosaccharides bonded together by a glycosidic bond

What are Oliyosaccharides

3-15 Monosaccharides bonded together

What is polysaccharides

many single monosaccharides units linked together in long, complex chains

What are Lipids composed of

carbon, hydrogen, oxygen

Triacylglycerol

glycerol backbone + 3 fatty acids - most common type

What are phospholipids

celular membrane

What are 3 essential fatty acids

Linoleic, Linolenic, Acachridonic

Saturated meaning

no double bonds- solid at room temperature

Unsaturated

presence of a double bonds

Polyunsaturated

more than two double bonds - liquid at room temperature

What are proteins

amino acids (AA) linked by peptide bonds

What are proteins composed of

C,O,H,N

What is a Dipeptide

two aa

What is a tripeptide

three aa

What is a polypeptide

more than 10 aa

What is essential aa

must be provided via diet

What is nonessential aa

the body can produce it

What are two reasons proteins are essential for

1. Animal Tissue Structure

2. Biochemical, Immunological, Transportation, and Regulatory Activities

What are Microminerals

Required in small quantities (a.k.a trace minerals)

What are macrominerals

required in large amounts

What is the B7 viatamin

Biotin

What does the B7 Vitamin do

improve hoofs and hair coat

What is the B9 Vitamin

Folic Acid

What does B9 Vitamin do

associated with higher milk production

What is proximal analysis of feed

chemical analysis that determines the composition of animal feed

What does proximate analysis show

the organic and inorganic components of a feed on a natural or air dry basis

What is digestibility

amount of various nutrients form a feed that are absorbed in the digestive tract

How do you measure digestibility

nutrients consumed - nutrients extracted via feces

What does TND stand for

Total Digestible Nutrients

What is TDN

the calculation that represent the total amount of Digestible energy available to an animal

Why do we need to estimate energy

energy is used for matience of life

What are 6 Example of Maintence of Life

1. work

2. movement

3. muscle

4. deposition

5. body temperature

6. milk production