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ANSC 1319 Exam 1 Questions & Answers 2024/2025

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ANSC 1319 Exam 1 Questions & Answers 2024/2025 Nutrient - ANSWERSfood constituent that aids in the support of life; single element; large, complex chemical compound carbohydrates; fat; protein; water; minerals; vitamins - ANSWERS6 classes of Nutrients Balanced Ration - ANSWERSfeed or com...

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  • September 6, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ANSC 1319
  • ANSC 1319
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ANSC 1319 Exam 1 Questions &
Answers 2024/2025

Nutrient - ANSWERSfood constituent that aids in the support of life; single element; large, complex
chemical compound



carbohydrates; fat; protein; water; minerals; vitamins - ANSWERS6 classes of Nutrients



Balanced Ration - ANSWERSfeed or combination of feeds mixed and fed to an animal to meet nutrient
requirements



maintenance; growth; reproduction; lactation; fattening; work - ANSWERSRation requirements for
different stages of life:



carbohydrates - ANSWERSmade up of carbon, hydrogen, and oxygen

account for 65-80% of feeds normally consumed by animals

vary from digestible to indigestible

stored in body as fat if not utilized

main energy source



monosaccharides - ANSWERSglucose, fructose, galactose



disaccharides - ANSWERSsucrose, lactose, maltose



lactose - ANSWERSglucose + galactose

milk sugar



Maltose - ANSWERSglucose + glucose

,most soluble



sucrose - ANSWERSglucose + fructose

table sugar



Polysaccharides - ANSWERSmake up most of the livestock feed

starch

glycogen

cellulose



starch - ANSWERSamylose and amylopectin



glycogen - ANSWERSglucose stored in muscles and liver



cellulose - ANSWERSplant leaves and stems

most abundant energy source in the world

digestion extremely variable

forages contain high levels



energy carbohydrates - ANSWERScorn

milo

wheat

oats



Fat - ANSWERSmade up of carbon, hydrogen, and oxygen

also called lipids, crude ____, or ether extract

can increase energy intake without increasing the total feed intake

has 2.25 times as much energy as carbs or proteins

(9 kcal/g : 4 kcal/g)

, triglycerides - ANSWERSglycerol backbone with 3 fatty acids



saturated fats - ANSWERSsolid fats

stack well



unsaturated fats - ANSWERSliquid fats

double bond between 2 carbons



saturate - ANSWERSRumen microbes _____________ fatty acids.



absorption of vitamins A,D, E, and K; protects vital organs; increases flavor of meat (marbling); beneficial
feed characteristics - ANSWERSFats aid in:



Protein - ANSWERSmade up of carbon, hydrogen, oxygen and nitrogen

many contain sulfur

make up determined by the kind and number of amino acids

SHAPE DEFINES FUNCTION



10 - ANSWERSHow many essential amino acids?



phenylalanine; valine; threonine; methionine; arginine; tryptophan; histidine; isoleucine; leucine; lysine -
ANSWERSEssential Amino Acids: (PVT MAT HILL)



microbial protein - ANSWERSprimary source of protein in most beef and dairy cattle diets is the digestion
of ___________________.



6.25; 16% - ANSWERSTo calculate total protein: chemically measure the nitrogen content

can multiply by _________ or divide by ___________.

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