concentrates - ANSWERShigh in energy, low in fiber, highly digestible (grains: corn, wheat)
carbonaceous - ANSWERSconcentrates:
low in protein, cereal grains, molasses, corn, wheat, oats
nitrogenous - ANSWERSconcentrates:
high in protein; such as tankage, dairy products (soybean meal, cottonseed meal)
roughages - ANSWERSlow in energy, high in fiber, less digestible; grasses, hays
carbonaceous - ANSWERSroughages:
low in protein; mature grass hay, stover, mature grain silage
nitrogenous - ANSWERSroughages:
high in protein; legume hay and silage, growing pasture and silage
water - ANSWERSwhat is the cheapest and most abundant nutrient?
T - ANSWERST/F:
an animal will die more quickly from lack of water than from lack of any other nutrient
10-14% - ANSWERSdeath occurs after how much loss of water in the body?
drinking, ingested (contained in/on feed), metabolic (breakdown of nutrients) - ANSWERSwhat are the
sources of the nutrient of water?
, function of water - ANSWERS1. transport of nutrients and excretions
2. in chemical reactions and as solvent properties
3. body temperature regulation (body temp fluctuates w/o causing distress; may fall to 93°F at night, rise
105°F in daytime; sweat)
4. maintenance of shape of body cells
5. lubrication and cushioning
T - ANSWERST/F:
water quality is just as important as water availability
proteins - ANSWERSnutrients composed of amino acids (22)
amino acids - ANSWERSbuilding blocks of proteins
amino acids→peptide→polypeptide→protein - ANSWERSwhat is the structure of proteins?
protein analysis - ANSWERSdetermine N content and multiply by 6.25 (100/16% N in protein)
nonprotein nitrogen (NPN) - ANSWERSa substance that contains nitrogen that is not apart of amino
acids; urea, biuret
urea - ANSWERSH₂N-C-NH₂; much cheaper source of protein
proteins - ANSWERSwhat does bacteria need to function?
function of proteins - ANSWERS1. basic structural unit of animal body
2. body metabolism: enzymes, hormones, immune antibodies, hereditary transmission structures are
composed of proteins
3. energy source: excess will be excreted or stored as fat/muscle
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